More details you can see from the video:
Specifications:
| General Specification | |
| Brand Name | Zealot |
| Model Number | B19 |
| Optional Color | Black, White, White&Blue, Black&Grey, Black&Silver, Black&Gold |
| Net Weight (g) | 212.5g |
| Dimensions (cm/ inch) | 164x80x180mm |
| Technical Parameters | |
| Microphone | Yes |
| Connectivity | Bluetooth connction, TF card |
| Bluetooth Version | 4.0 |
| Transmission Distance | 10m |
| Speaker | 32Ω |
| Output Power | 90mW |
| SNR | 75dB |
| Distortion | 1% |
| Frequency Response | 20Hz-20kHz |
| Battery Capacity | 400mAh |
| Charging Time (h) | 5 h |
| Charging Voltage | DC 5V |
| Working Voltage | 3.7V |
| Taking Time | 6h |
| Music Time (h) | 8h |
| Standby Time (h) | ≥30 days |
Package Included:
 |
1 X Zealot B19 Bluetooth Headphone |
| 1 X USB Charging Cable | |
| 1 X Manual |