QERE E80 ANC Active Noise Cancellation Noise Reduction

QERE E80 ANC Active Noise Cancellation Noise Reduction. Specification Brand QERE Model E80 (Active Noise Cancellation) Function Microphone, Noise Cancelling, true wireless stereo, Waterproof Communication Wireless Chip Model JL7006F Bluetooth Version 5.3 Supported Protocols HFP, HSP, A2DP, AVRCP, PBAP, AAC, SBC Communication Range 10 meters/33 feet Music Playback Time (Noise Cancellation Off) 60-70 hours Music Playback Time (Noise Cancellation On) 30-35 hours Talk Time 50-60 hours Transmission Frequency 2.40GHz - 2.480GHz Charging Interface USB Type-C Headphone Charging Time 2-3 hours Power Supply Built-in Lithium Battery 3.7V/500mAh Speaker Diameter Ф 40mm Speaker Impedance 32Ω ± 15% Speaker Sensitivity 108± 3dB/1Khz 0.179V Frequency Response Range 20Hz - 20KHz. Material: Plastic. Material: ABS. Battery: Built-in Lithium Battery 3.7V/500mAh.