• Battery voltage: 3.7V
  • Input voltage: 5V
  • Transmission distance: ≥10M
  • Speaker: 20-20khz
  • Bluetooth operating frequency: 2.402-2.48Ghz
  • Bluetooth version: V5.1
  • Earbud battery capacity: 50mAh
  • Earbud casing battery capacity: 2000mAh
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