1. Bluetooth Version: BT5.0+EDR
2. Support: HSP/HFP/A2DP/AVRCP
3. Transmission Range: 10m/33 feet ( If there are no obstructions the range could be as far as 33 feet )
4. Earbuds Working Time: About 4.5 hours
(High quality music and volume will accelerate battery consumption);
5. Input/Output Port: Micro/USB
6. Charging Time: 1-1.5 hours to charge Earbuds; 2 hours to charge the Charging Case
7. Earbud Size:42*18*26mm; Charging Case Size: 81*52*30mm
8. Earbud Weight: 4.5g/PC
9. Battery Capacity: (Li-Poly battery inside) Earbuds: 3.7V/50mAh; Charging Case: 3.7V/2600mAh
10. Charging Case Input/Output Specifications: 5V/1A(TYP)
