Air 52

Bluetooth version: V5.1 Stand-by time: 160 days Talk time: 3.5 hours Music time: 5 hours Charging time: 1.2 hours Charging voltage: DC 5V Transmission distance: 10M-15M Frequency range: 20-20000Hz Charging case: 320mAh Battery capacity: 40mAh

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• Return Policy: Return and Exchange Policy – Office One. At Office One, your complete satisfaction is our priority, and we always strive to provide the best shopping experience. Therefore, we offer a clear and flexible return and exchange policy under the following conditions:
  Return and Exchange Policy – Office One. At Office One, your complete satisfaction is our priority, and we always strive to provide the best shopping experience. Therefore, we offer a clear and flexible return and exchange policy under the following conditions:<br>