| Model: | RB-M56 |
| Bluetooth version: | 5.0 |
| Transmission distance: | 18 meter |
| Support protocol: | A2DP/HFP/HSP/AVRCP/SPP |
| Speaker power: | 10 watt |
| Frequency response: | 60 Hz - 18 kHz |
| Impedance: | 4 Ω |
| Standby time: | 24 month |
| Play time: | 4.5 hour |
| Battery capacity: | 1500 mAh |
| Charging time: | 2.5 hour |