- Model: M25
- Bluetooth version: V5.2 (or V5.3 in some models)
- Playtime: 2-3 hours (or about 160 hours in some models)
- Standby time: About 180 hours
- Resistance: 32Ω
- Input: 5V
- Transmission distance: About 20-30 meters (or 10 meters in some models)
- Frequency response: 20-20KHz
- Speaker specification: 8mm*2
- Waterproof: Yes (IPX7 in some models)
- Noise reduction: Yes (environment noise cancelling in some models)