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BT400GL Bluetooth Headset

  • World's smallest & lightest Bluetooth wireless headset
  • Longest talk & standby time of any wireless headset
  • Includes companion power cradle with vibrating alert
BT400GL Bluetooth Headset

   BT400GL Wireless Headset BT400GL Mobile Headset BT400GL Bluetooth Earpiece BT400GL Bluetooth Wireless Headset

BT400GL Wireless Headset Specs:

Standard: BT v1.1 - 1.2 Class 2
Frequency: 2.4 - 2.4835GHz ISM
Range: 10 meter free-space
Input Power: 5-6.5v 200-500mA
Battery: Internal Li-Polymer x 2
Profiles: HSP, HFP, voice dialing
Standby / Talk Time: 350 / 15 hrs
Charge Time: 2 hrs
Dimensions: 39 x 17 x 12mm
Certifications: CE, FCC, BQB, RoHS
Weight: 8.5g
Color: Black
Product of Taiwan

Price: $64.95


BT400GL Bluetooth Headset for Apple, PC, cellular phones and more

World's smallest, lightest and longest talk/standby time in-ear Bluetooth headset - supports HSP, HFP and voice dialing.
Digital Signal Processing (DSP) technology suppresses noise while enhancing audio performance.

BT400GL Wireless Headset Kit

Description: Small and light (8.5 gram), the BT400GL Bluetooth wireless headset is packed with all of the features you need. Comfortable in-ear design ensures that you won't miss a word, and wireless connectivity lets you effortlessly communicate hands-free while at work or play. And with no cabling nuisances to get in your way, you'll work safer, smarter and faster.

Supported profiles include: Headset for fully-duplexed voice transmission and reception with Bluetooth-enabled cell phones, PDA's and computers. Handsfree for answering, ending and initiating calls - Voice-dialing for initiating calls by speaking the name of the party you wish to phone (requires voice-dial capable phone or device). Also great for computer-based audio conferencing applications like Apple's iChat*, AIM, MSN Messenger, Skype, etc.

Ultra-comfortable in-ear design puts the sound in your ear, while completely blocking out extraneous noise. Three sizes of stain-resistant gray eartips are included - all utilize the new Nano™ anti-bacterial rubber formulation to promote good ear health.

The BT400GL's compact form, dual batteries and companion power cradle deliver the longest talk and standby time in the industry. The innovative power cradle safely stores your headset when off your ear, and features a silent, vibrating alert. The power cradle can be carried in a pocket, purse or worn around your neck with the included lanyard. Smart, simple and easy to access switches makes it quick and easy to locate the headset's controls - even while wearing gloves or mittens.

Easy Set-up: Connecting the BT400GL is simple - just pair it and go. An intelligent LED indicator communicates the device's status at a glance. Dual built-in Li-Polymer batteries (1 in headset, 1 in power cradle), compact A/C charger, lanyard and tough storage box are included.


- World's smallest, lightest and longest talk/standby time wireless headset
- Digital Signal Processing (DSP) suppresses noise while enhancing audio performance
- In-ear design with three eartip sizes to comfortably fit every ear
- Stain resistant, anti-bacterial Nano™ rubber eartips
- Supports headset, handsfree and voice-dialing protocols
- Smart, easily operable control layout - even while wearing gloves
- Low audio distortion level and in-ear design assures that you'll hear and sound your best
- Dual built-in Li-Polymer batteries - compact A/C charger included
- Unmatched 350 hour standby, and 15 hour continuous talk time
- Bluetooth Class II v1.1 and 1.2 - 10 meter free-space range

*Requires Mac OS X 10.3 or higher.

Support Information

BT400GL User Guide

Bluetooth Headset and Audio Checklist for Mac OS X

1. Once headset is paired, it must be selected as the sound output and/or input device in the
    Sound System Preference.

2. Download and install the latest Apple Bluetooth Software - currently at version 1.5

3. Download and install the latest Apple Bluetooth Firmware Updater - currently at version 1.2
    NOTE: If you experience problems when attempting to install the firmware updater:
    Navigate to /Users/YourUserName/Library/Preferences - trash the file named:
    Open your Utilities folder, launch and run the Firmware Updater again - it should install without incident.
    If the updater still fails to run, repair permissions on startup drive using Disk Utility and launch the updater again.

    Note: Downloading the updates does NOT install them
    You must launch the updater(s) from your "Utilities" folder to install.

4. Computer in Discoverable Mode, Reducing Available Bluetooth Bandwidth:
    Un-check "Discoverable" in the Settings section of the Bluetooth System Preferences.

5. Device Not Designated a Favorite: Flag device as Favorite to auto connect after cold boots, restarts or sleep.
    Select device name in Devices section of Bluetooth System Preferences
    Click the Add to Favorites button - a red, heart-shaped icon will appear in device's listing.

6. Bluetooth Network Port Config is active: Uncheck Bluetooth Port Configuration in Network System Pref.
    Open Network System Preference - select Network Port Configurations from the Show drop-down menu.
    Uncheck the Bluetooth check box - do this for the Location(s) you currently use.

7. Bluetooth Sharing is Enabled - Reducing Available Bluetooth Bandwidth:
    Unless some form of Bluetooth sharing is currently being used, disable all instances.
    Open Bluetooth System Preference and select the Sharing section.
    In the first column, uncheck all of the ON check boxes.

8. OS Update File Corruption: If You've Installed any of the Mac OS Updates via the Software Update
    Mechanism, it's highly recommended that you download and install the corresponding
    Apple Combined (Combo) OS Update.
    IMPORTANT: Switch Bluetooth and Airport OFF before installing OS updates -
    switch back ON after computer restarts.

    The latest Combined OS updates can be found here:

      10.4.11 for PPC Combo Update - 180.8MB
      10.4.11 for Intel Combo Update - 321.5MB

      10.5.5 for PPC + Intel Updater - 601MB
      10.5.6 for PPC + Intel Updater - 668MB
      10.5.7 for PPC + Intel Updater - 729MB
      10.5.8 for PPC + Intel Updater - 759MB

      10.6.2 Updater - 759MB
      10.6.3 Updater - 784MB
      10.6.4 Updater - 887MB
      10.6.5 Updater - 977MB
      10.6.6 Updater - 1.06GB
      10.6.7 Updater - 1.12GB
      10.6.8 v1.1 Updater - 1.09GB

      10.7.1 Updater - 79.3MB
      10.7.2 Updater - 819MB

9. Remove Potentially Corrupted Bluetooth Preference File if Bluetooth Useability Issues Persist:
    Turn Bluetooth off - go to /Users/YourUserName/Library/Preferences - trash file named:
    "" - Restart, turn Bluetooth on, then re-pair all devices - re-check item 4.

10. Unexplained BT Issues: Erratic device behavior can often be resolved by simply removing
      the offending device's pairing, then pairing again. Be sure to reset as Favorite - item 5.

11. Mac OS Sleep: Mac OS X v10.4.2 and earlier and 10.4.6 - 10.4.7:
      Power off non-Apple BT devices and wait for "Connect Lost" message before allowing computer to sleep.
      Or, uncheck the "Allow BT devices to wake this computer" in the Settings section of the BT System Prefs.
      Or, set computer sleep interval to a value greater than 15 minutes.
      Or, set computer to Never Sleep in the Energy Saver System Preference -� Display sleep is fine.

12. Processor Performance Setting: Optimum Bluetooth performance requires full processor speed.
      PPC Macs: In the Options section of the Energy Saver System Pref, set Processor Performance to Highest.

13. Using USB to Bluetooth Adapters:
      If using a USB to Bluetooth adapter (dongle), connect dongle directly to a USB port on host computer.
      External USB hubs may introduce excessive latency - slowing BT peripheral reponse.

14. Wireless Device Interference: Certain environmental factors can cause a reduction in 802.11 wireless,
      and Bluetooth data transfer speeds. If a reduction in wireless network speed, or BT device lag is encountered:
      Turn off wireless networking (AirPort) and Bluetooth at the host computer.
      Next, power wireless networking on and verify connection, then power on Bluetooth.
      NOTE: 2.5Ghz cordless phones WILL cause significant wireless network and BT throughput slowdows -
      locate phones and base stations as far away from computer as posible and/or consider replacing phone(s)

      Fluorescent and high-frequency lighting in close proximity can cause BT interference issues as well.
      Locate these types of lighting fixtures away from host computer if interference is experienced.

15. External Devices: Disconnect any externally connected devices and retest for issue(s).
      USB, FireWire, Wireless Networking, Modem, Display and other BT connected devices, etc.