Specification: Bluetooth version: 5.2 Transmission distance: 10m Working hours: 170 hours Standby time: 1000 hours Rechargeable battery: 3.7V/2800mAh polymer lithium battery Quick charge time: 1-2 hours Waterproof level: IPX7 Charging port: USB Type-C Noise reduction ability: 60-120 km/h noise reduction Charging voltage: USB 5V 1A-2A Music equalization: preset Microphone type: hard Working temperature: -55+125 degrees Celsius Battery working time: about 70 hours of continuous playback (at maximum volume) Material: ABS Colour: Black Product size: 9cm*4.6cm*2.3cm Package size: 13cm*9.7cm*5.9cm Product weight: 190g Gross weight: 60g Applicable scene: suitable for motorcycle helmets What's included: 1 x Intercom 1 x Speakers&Microphone 1 x Mounting Kit 1 x Manual.
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