Specifications
- Model
- M291-B
- Color
- Black
- Port Type
- Micro USB, Audio Jack, TF Card Reader slots
- Number of Ports
- 3 Ports
- USB Ports
- Micro USB
- Audio Jack
- 3.5mm Audio Jack
- MicroSD Card Slot
- MicroSDHC Card Slot
- Bluetooth pairing name
- M291
- Bluetooth version
- V5.0
- Profile
- A2DP/AVRCP/HSP/HFP
- Battery capacity
- 180mAh
- Driver Unit
- Ø 40mm
- Impedance
- 32Ω
- Sensitivity(SPL)
- 110±3dB
- Frequency response
- 20Hz-20KHz
- Charging specifications
- 5V1A
- Main body material
- PVC
- Ear cushion material
- Sponge + PU leather
- Package Size
- 170*145*80mm
- Weight
- 271g