M-S7

• Model
• M-S7
• Specifications
• Solution: Bluetooth 5.0 
  transmission distance: 10 meters
  Play time: 8 hours
  Standby time: 3 days
  Battery: 190mAh lithium polymer battery
  Charging time: about 2 hours
  Speaker size: Ø10mm
  Sensitivity: 88 dB ± 5 dB
  Impedance: 32Ω
  Frequency response: 2-20KHz
• Colour
• Black