Specification
| Product Name | B39M Wireless Headphones |
| Horn | 40MM |
| Version | V5.0+EDR, A2DP |
| Transmission Distance | > 10m |
| Battery Capacity | 400mAh |
| Playing Time | About 10 Hours |
| Charging Time | 1 Hours |
| Other | Support Song Switching And Volume Adjustment, 3.5MM Audio Input, LED Light |