BT-3401 Plus
| Battery | 37V/800MAh (18650) |
| Bluetooth Version | 5.3 |
| Connection Range | 10M-15M |
| Card Type | U Disk /TF Card |
| Material | ABS+PC |
| Size | 235.5*238*80mm |
| Weight | 750g |
| Charging Current | 500mA |
| Working Voltage | 3.4-4.2V |
| Speaker Output Power | 5W |
| Wireless Charging Power | 15W |