W9 YinCo wireless headphones 200mAh battery for 5 hours of calls / music and 150 hours of standby with leather earmuffs and telescopic head beam.
1. Material: ABS.
2. Sizes: 170*50*170mm. Weight: 130g.
3. Speaker: 40mm.
4. Wireless version: 4.1, wireless chip: CSR.
5. Battery capacity: 200mAh, charging time: 3 hours.
6. Talk and music time: 5 hours, standby time: 150 hours.
7. Protein leather earmuffs that are soft and cause no pressure.
8. Metallic telescopic head beam that is firm and not easily broken.
9. With 3.5mm audio jack, to switch between wired and wireless connections at will.