Features: 
<br />
<br />This item including a Bluetooth dongle , a V4.0 Bluetooth earpiece and a wireless PTT Button.  
<br />
<br />The earpiece built in PTT microphone that can be placed over either ear. 
<br />
<br />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.  
<br />
<br />Do not hesitate to Work with it to get free of your hands in work. 
<br />
<br />Compatible with almost all with a two pin plug, former pin diameter of 3.5 mm and 2.5 mm in diameter after pin, double pin from 8 mm within, 11 mm center distance of 2 pin. 
<br />
<br />Specifications: 
<br />
<br />Bluetooth Version: V4.0 Class 2 
<br />
<br />Frequency Range: 2.4G 
<br />
<br />Working Mode: HFP1.5 A2DP AVRCP 
<br />
<br />Charger time: 1-2.5 H 
<br />
<br />Talk Range: 
<br />Work Time: 5-8 Hours 
<br />
<br />Standby Time: 
<br />Connector: K1 Standard 
<br />
<br />Dimension:  
<br />
<br />Bluetooth dongle: about 3.6*2.4*1.5cm/1.42 * 0.94 * 0.59in 
<br />
<br />Bluetooth earpiece: about 7.7*1.5*1.4cm/3.03 * 0.59 * 0.55in 
<br />
<br />Wireless PTT Button: about 3.4*2.5*1.5cm/1.34 * 0.98 * 0.59in
<br />
<br />Applicable Models: Almost All with a two pin plug, former pin diameter of 3.5 mm and 2.5 mm in diameter after pin, double pin from 8 mm within, 11 mm center distance of 2 pin. Like for Kenwood KPG/TH/TK series for baofeng almost all series, for PUXING/ QUSHENGAN/ LINTON/ TYT etc. 
<br />
<br />Packing list:
<br />
<br />1 x Bluetooth dongle 
<br />
<br />1 x Bluetooth earpiece 
<br />
<br />1 x Wireless PTT Button 
<br />
<br />1 x USB Charging cable 
<br />
<br />1 x Ear hook
<br />