TEDATATA Bone Conduction Wireless Headphone

Headphone parameters Product: Bone conduction earphones Color: Black Bluetooth version: V5.1+EDR Wireless Frequency: 2.4GHZ Supported protocols: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 20 meters Battery capacity: 180mAh Charging voltage/current: 5V/1A Play/talk time: about 12 hours Charging time: about 2 hours Standby time: 90 days Speaker impedance: φ10mm 32Ω Microphone sensitivity: -42Db Working temperature: -10-50℃ Full set weight: 56g Bare metal weight: 15g Box size: 15*12*2(cm) Product List Headphone*1 Charging cable*1 Manual*1