Sport bluetooth earphone
1. high quality bluetooth V4.0， CSR 8635 chipset
2. fashion design， good sound
3. Charging voltage: MICRO USB 5V
4.bluetooth profile:HFP 1.6， HSP 1.2， AVRCP 1.4， A2DP 1.2
5.Bluetooth Working range: 10M
6.Noise reduction: CVC6.0
7. Stand-by time: about 24hours
8. Calculating Cnversation Time: about 5hours
9. Charging time: about 2hours
10. Dimension (LxWxH): 40x24x32mm
11. Weight: 16.4g