Air31 Wireless Earphones – Bluetooth 5.3, Noise Reduction, In-Ear, Black

Using CVC8.0 digital noise reduction technologyHigh capacity batteries are used for a long timeBinaural separation designDesigned for sportsMake your life different.Bluetooth version: 5.3Noise reduction version: CVC8.0Frequency range: 2402MHz ~ 2480MHzWorking distance: 10-15mCharging input voltage and current: 5VHeadphone battery capacity：50mAhCharging compartment battery capacity: 2500mAhHeadphone charging time 2 hoursMusic playback time: 5-6 hoursTalk time: 4-5 hours