100%Invisible Sleep Bluetooth Headphones Hidden Earbuds With LED Display Noise Cancelling Sports Stereo Wireless Headsets

Item Condition: New. Hign-concerned Chemical: None. Virwir Model: X57 Invisible Sleep Bluetooth Headphones. Material: Plastic. Width[mm: fone de ouvido sem fio bluetooth. Depth[mm: Noise Cancelling Wireless Headsets. Weight[g: auriculares bluetooth. Height[mm: fone de ouvido bluetooth. Battery Capacity[mAh: 35mAh 350mAh. Battery life up to[hours: Sleep Stereo Wireless Earphones. Voice assistant built-in: No. Maximum wireless range[m: NFC Technology: No. Sound Isolating: No. Category: Earphones Headphones. Earcups Type: Sealed. Max Output: 10. Number Of Drivers: 2. Charging Method: Charging case. Headphone Pads Material: other. Magnet Type: other. Driver Diameter: 10. Total Harmonic Distortion: 1. Impedance Range: up to 32. Bluetooth Version: 5.3. Package List: User Manual, Charging case, Charging Cable. Features: Waterproof, With microphone, Active Noice Cancelling. Codecs: None. With Microphone: Yes. Is wireless: Yes. Support APP: No. Waterproof: Yes. Line Length: 0. Frequency Respons