Detail Over head / headset / earphone wereles bluetooth s530
Description Product Features: Note: The bluetooth is only for one ear, not a pair. Product Parameter: 1. Item Name: Mini Bluetooth Earphone 2. Bluetooth Version: V4.0+EDR 3. Impedance: 32 Omega 4. Sensitivity: -42 dB 5. Frequency range: 20 - 20K Hz 6. Transmission Power: Class 2 7. Transmission Range: 10m 8. Radio frequency: 2.402 - 2.480G Hz 9. Color: White, Black, Pink, Blue, Skin Color 10. Music Time: 1-3h 11. Talk Time: 2 - 4 h 12. Standby Time: 120 hours 13. Charging Time: About 2 h 14. Battery Type: 50 mA rechargeable polymer battery 15. Output Power: 30 mW 16. Power System: AC110-220V / DC5V 17. USB Cable Length: about 5cm 18. Size: about 16 * 15 * 28 mm/ 0.63 * 0.59 * 1.10 inches Packing List: 1 * Mini Bluetooth Earphone 1 * USB Cable 1 * User Manual