M1 TWS Wireless Bluetooth Earphones earset Stereo Headphones Sport Noise Cancelling Mini Earbuds for mi Android ios

Headphone parameters Bluetooth version: V5.0+EDR Wireless frequency: 2.4GHZ Supporting agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 15 meters Battery capacity: 45mAh/350mAh Charging voltage / current: 5V / 1A Play / talk time: about 3 hours Charging time: about 1 hour Standby time: 60 hours Speaker impedance: φ10MM 32Ω Microphone sensitivity: -42Db Working temperature: -10-50 °C Package Included: 1x1 pair of headphones 1x charging bin 1x charging cable 1x instruction manual