Specification: T204 has the voice dialing function to support
Your mobile phone. T204 has the phone call receiving and interrupting function
To support your mobile phone.

Sound of T204: Clear and sound volume can be adjustable.
Longest standby time: 120 hours.
Communication range: 10 meters.
The longest talk time: 3 hours.
T204 can be worn comfortably on either ear, allowing you to be hands-free and
Cord-free all day long.
T204 can be worn comfortably on either ear.
Weight: 16 g.
Bluetooth V1.1 compliant Handsfree and Headset Profile
Can be adjustable.
The longest standby time: 120 hours.
Communication range: 10 meters.
The longest talk time: 3 hours.