Product parameter

• Product parameter
  • Product model: TWS-E-903
  • Bluetooth version: 5.0
  • High frequency average : 106±3dB
  • Max Output: ≤110dB
  • Max Gain: ≤18dB
  • Total Harmonic Distort : ≤3%
  • Bluetooth frequency band: 2.4GHz (2.402~2.480GHz)
  • Battery charge box : 3 times chargeable
  • Working standard time : Hearing aids mode : 10-12 hours;
  • Material : ABS
  • Certification : CE/FDA
  • Color : Black / White
  • External dimensions: 12.5*9.5*4cm
  • Net weight: 4.5 g/single earphone