bluetooth version:V5.0 (Jerry)
Charging warehouse capacity:350MAH
Sensitivity:110 ± 3dB S.P.L at 1KHZ
Frequency response:20Hz-20 KHz
Features:Endurable batterys life, equipped with a large capacity charging-box.
BT5.0 chip offers noise reduction function, providing perfect hearing protection for your ears.
Supports music playing and hands-free call. Equipped with function buttons which let you easily control your music and answer the phone call.
Wire-less dual ear design, convenient to operate and quick to pair with BT-enabled audio devices.
Ergonomically designed for a more comfortable for a canal and unable to throw away.
Compact, lightweight and portable to fit in your pocket well.