JS511 OWS Ear-mounted Dual-mic Call Noise Reduction LED Digital Display Bluetooth Earphones(Black)

Features:1. Skin-friendly silicone, elastic silk, light and stable, comfortable to wear for a long time2. Non-in-the-ear design, using directional technology to accurately transmit sound into the ear canal3. 16.2mm super large dynamic unit restores full sound quality4. Dual microphone noise reduction for clear calls5. Bluetooth 5.42, synchronous transmission of videos and games, stable and without delay, no lag6. Directional HiFi sound transmission technology, music is accurately transmitted to the eardrums, the melody has direction, and the enjoyment is more beautiful.7. Sensing native dual-unit, sound-absorbing inner cavity barrier design, combined with the fourth generation (Heycute-Acavity) acoustic cavity, to restore the natural original sound of the sceneProduct parameters:1. Chip: AB5616C2. Bluetooth version: 5.423. Communication distance: about 10m4. Signal-to-noise ratio: 84-90dB5. Impedance: 32 ohms x 26. Speaker size: 8mm7. Unlimited carrier frequency: 2402MHz-2480MHz8. Wireless frequency response range: 20Hz-20KHz9. Charging interface: Type-C10. Battery capacity: 70mAh earphones, 400mAh charging box11. Charging time: about 2 hours for earphones, about 2 hours for charging case12. Standby time: 120 hours for headphones, 4 months for charging case13. Headphone playback time: about 8 hours14. Headset talk time: about 7 hours15. Supported protocols: HFP/HSP/A2DP/AVRCP16. Audio decoding: AAC/SBC/MP317. Waterproof level: IPX718. Main functions: music play/pause, volume increase and decrease, up and down song switching, incoming call reminder, call noise reduction, three-party call voice assistant