Specification: 

Bluetooth version: V4.0 

Frequency range: 2.4GHz-2.48GHz 

Operating distance: up to 10m (free space) 

Bluetooth profiles: A2DP， AVRCP， HSP， HFP 

Standby time: up to 180hrs 

Talk / music playtime: about 5 hours 

Charging time: about 2 hours 

Frequency response: 20Hz-20kHz 

Operational temperature: -10 to 50 ° C 

 

Accessories: 

S2 BT sports headset 1pc 

USB charging cable 1pc 

User manual 1pc