Earbuds :

1. Bluetooth version: V 5.0
2. Distance : 10 -15 meters （max）
3. Battery : Rechargeable Li-Lion battery 60mAh
4. Full charging time: 1.5 hours
5. Play time: over 4-5.5 hours
6. Earbuds charging current: 60mA
7. Mic sensitivity : -38±3dB
8. Frequency range: 20~2,0000Hz
9. Earpiece weight: 7.5g
10. Waterproof : IPX7
11. Color: black, green

Charging case:

1. Battery: Rechargeable Li-battery 650mAh(Provides 3- 4 Times Charges )
2. Full charging time: 2 hours
3. Input:5V 500mA
4. Output:5V 100mA
5. Dimension : 99*62*30mm
6.Weight : 55g
7. Charging Ports : Micro USB