Sleep Invisible Stereo Headset IPX5 Waterproof Wireless Bluetooth 5.3 Earphone Earbuds with MicHidden Headphones

Parameters: Product model: Earphones. Bluetooth version: Bluetooth 5.3. Charging interface: TYPE-C. Frequency response range: 20HZ-20KHZ. Ultra long standby: 240 hours. Charging times of charging compartment: 5-7 times. Single use time: 5-7 hour. Standby time: 240 hour. Hign-concerned Chemical None. Material Plastic. NFC Technology no. Category Earphones Headphones. Number Of Drivers 2. Charging Method Charging case. Magnet Type Ferrite. Impedance Range up to 32. Bluetooth Version 5.3. Is wireless Yes. Support APP Yes. Support Memory Card No. Waterproof Yes. Resistance 32. Frequency Response Range 20-20000Hz. Plug Type Line Type. Active Noise-Cancellation Yes. Volume Control Yes. Control Button Yes. Vocalism Principle Dynamic. Wireless Type bluetooth. Communication WireLess. Style In-ear. Origin Mainland China. Brand Name LinJn. Feature 1 Lightweight Waterproof Earbuds. Feature 2 Invisible Sleep Wireless Earphone. Feature 3 Bluetooth 5.3 Headphone. Feature 4 Bluetooth Sleep Earphones W