Features ：
- This item including a Bluetooth dongle , a V4.0 Bluetooth earpiece and a wireless PTT Button.
- The earpiece built in PTT microphone that can be placed over either ear.
- The earpiece provides the best audio quality when paired with wireless PTT Button connector two way radios and it is comfortable and flexible enough for all-day wear.
- Do not hesitate to Work with it to get free of your hands in work.
- Compatible with almost all with a two pin plug, former pin diameter of 2.5 mm and 3.5 mm in diameter after pin, double pin from 8 mm within, 11 mm canter distance of 2 pin.
Specifications：
- Bluetooth Version: V4.0 Class 2
- Frequency Range: 2.4G
- Working Mode: HFP1.5 A2DP AVRCP
- Charger time: 1-2.5 H
- Talk Range: <10 Meters
- Work Time: 5-8 Hours
- Standby Time: <100Hours
- Connector: K Standard
