1. Driver: 15mm
2. Impedance: 9 ohm
3. Bluetooth version: bluetooth 5.0
4. Output power: 40mw;battery capacity 35mah , charging box is 300mh .
5. Bluetooth distance: 10 meters
6. Frequency response: 20-20000hz
7. Operating voltage range: 3.0v-4.2v
8. Powerful noise de-noising circuit (active noise reduction)
9. Charging time about 1-2 hours .
10. Talk time is about 2-3 hours (a pair of earphones use together ),music time about 2-3 hours (a pair of earphones use together ) , charging box can charge for the earphons about 3-5 times.
Multiple colours available
Condition: Brand New,