Features: 
<br />The earphones can stretch out and draw back
<br />Bluetooth version: 4.0 version
<br />Transmission distance: 10 mete
<br />Support function: A2DP/AVRCP/HFP/HSP
<br />Talk time: 12 hours Volume addition and subtraction /
<br />Standby time: 200 hours
<br />Charging time: 2 hours
<br />Operating temperature: -10C to 60 C
<br />
<br />Package included: 
<br />1 * Bluetooh Headset
<br />1 * USB Cable
<br />1 *  Manual