1. Bluetooth Version: 4.0
2. Battery capacity: 250mAh
3. Charging time: about 2 hours
4. Music time: about 8 hours
5. Talking time: about 10 hours
6. Audio output: BT / 3.5mm Audio cable/ TF Card
7. Ergonomic design, comfortable to wear
8. Packing list:
- Headset x 1
- Audio cable x 1
- Charging cable x 1
- Manual x 1