Wireless Waterproof Music Headset Bluetooth 5.0 Smart Earphones in Ear Sports E7S TWS Handsfree Call Headphones

Material Plastic. Category Earphones Headphones. Active Noise-Cancellation Yes. Volume Control Yes. Control Button Yes. Vocalism Principle Dynamic. Wireless Type bluetooth. Communication Wireless. Style In-ear. Certification NONE. Origin CH(Origin). Brand Name amzwn. Mini Bluetooth touch headset. Features: 1. LED display power display. 2. ergonomic design, in line with ear depth. 3. built-in inligent adjustment system. 4. inligent noise reduction fever high fidelity sound quality. 5. fine frosted surface, one hand grip comfortable. Product specifications: Product model: TWS-M3. Specification: 72×38×30 mm. Operating voltage: 3.3V-4.2V. Bluetooth version: V5.0+EDR. Battery capacity: 450mA/350mA. Usage time: 3-4 hours. Standby time: about 60 hours. Speaker type: Titanium composite film. Transmission range: 2.40ghz to 2.48ghz. Sensitivity: 983 db. Communication distance: effective distance of 15 meters. Ear canal: Angled into the ear to fit the contour of the ear. Packing list: 2 Bluetooth