YYK-580 hanging ear type BT Headset ultra-long range member earbuds TWS headphones

1、Headset parameters Bluetooth version: V5.0+EDR Wireless frequency: 2.4GHZ Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10m Battery capacity: 45mAh Charging voltage/current: 5V/1A Playback/talk time: about 8 hours Charging time: about 1 hour Standby time: 120 hours Speaker impedance: φ8MM 32Ω Microphone sensitivity: -42Db Working temperature: -10-50℃ 2、Charging bin parameters Input voltage/current: 5V/1A Battery capacity: 500mAh