Features:

• Compatible devices with Bluetooth, such as mobile phone.
• Perfect sound quality and effect, when you go out to enjoy unfettered music anywhere.
• Stereo Bluetooth transmission, strong output power with outstanding sound quality.
• Mask type, ultra-fine filter, free breathing, highly resistant to PM2.5/bacteria/dust/suspended particles.
• Rechargeable, suitable for both indoor and outdoor exercise.
• Bone Conduction,free your ears, less harm to eardrum, more safety, comfortable and health. Earbud design, care your ears.
• Support play,volume control,previous song,next song,answer/end calls functions.

Spec

-Blue tooth IC: CSR8635

-Speaker Type: Bone conduction technology speaker, 1w dual speaker

-Battery: 350mAh Polymer battery

-Mic Anti: interference microphones,‐50DB

-Play time: 7h

-Standby time: 15days

-Effective range: 15m

-Mono/Stereo: Stereo

-Blue tooth: Version 4.0

-Weight: 133g

-Bluetooth Class(1/II): II

-Bluetooth Profile: a2dp/HFP,HSP,AVRCP,GAVDP,AVDTP

-Receiving: Sensitivity 88dBm

-Impedance: 32Ω

-Frequency range 20‐20KHz

-Fully charged: 2h