Functional performance:Triple mic  ANC &ENC Hybrid Noise reducion, Hall power on+ LED Digital Display +With light perception+With 2.4GB TF card local music
1.Material: Glossy ABS+Leather grain
2. Effective straight-line distance: 15 meters
3. Speaker: φ13
4. Battery: polymer lithium battery earphone 40mah,
polymer lithium battery charging compartment 400mah
5. Playing time: 6-7H;
6. Standby time: 120H
7. Fully charged time: about 1 hour for earphones

8. Color: black/other

Noise reduction value:42±3db