Specification：
1. Bluetooth version: V4.2
2. Bluetooth distance: 10 meters
3. Frequency range: 2.4GHz-2.48GHz
4. Operating distance: Up to 10m (free space)
5. Bluetooth profiles: A2DP, AVRCP, HSP, HFP
6. Standby time: Up to 50hrs
7. Working Voltage: DC5V/130MA
8. Charging: cable included (no adaptor)
9. Battery: Built in lithium polymer battery
10.Talk/music playtime: Approximately 2-4 hours
11. Charging time: Approximately 1-2 hours
12. Frequency response: 20Hz-20kHz
13. Operational temperature: -10 to 50°C
Specifications:
S8 Wireless Magnetic Bluetooth Earphone Wireless Sports Headphones Stereo Bass Music Earpieces with Mic Headset
Package Included:
1*Headphone
4*earhook
1*Cable
1*Instruction