Open Earless Bluetooth Earphone Ultra-long Life Noise Cancelling Earphone Wireless Bluetooth

Specification： Bluetooth version: 5.3 Earphone Type: Ear hook Microphone: yes Noise Reduction: yes Playback Control: Yes Waterproof: yes Transmission distance: 10M Talk time: 3h Impedance (ohm): 32Ω Music time: 4h Charging time: 1h