product parameters:
1. Drive: 10mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth v4.2 + EDR
4. Bluetooth frequency: 2.4GHz
5. Output power: 30 mW
6. Operating voltage range: 3.0 V-4.2 V
7. Product net weight of about 5g
characteristics:
1. Talk time: 4-5 hours
2 music time: 4-5 hours
3. Standby time: about 120 hours
4. Charging time: about 60 minutes
5. Battery Capacity 60 MAH
6. Power Charging: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger)
7 phone Compatible: compatible for Andrews, for iphone, for Microsoft, for Saipan system with 99% of Bluetooth phone