1. Bluetooth version: Jieli 5.0
2. Power input: 5V 1A
3. Speaker: copper ring speaker with composite film
4. Sensitivity: 120±5dB
5. Frequency response: 20-20000Hz
6. Impedance: 32Ω
7. Play time: about 4 hours
8. Headphone charging time: about 1 hour
9. Charger case charging time: about 2 hours
10. Material: plastic
11. Battery compartment capacity: 500mAh
12. Headphone battery capacity: 45mAh×2
13. Accessories: charging cable, manual 14. Function: Bluetooth 5.0, hands-free calling, Stereo, binaural talk, magnetic charging, touch control, Type-C charging interface QTY/CTN: 100 PCS
N.W.: 10.5KGS
G.W.: 11KGS
MEAS: 51×18.6×38cm