Hot Sale I7s TWS Bluetooth Earphone Stereo Earbud Wireless Bluetooth Earphones In-ear Headsets For All Smart Phone Colour_Wine Because of the high frequency

Because of the high frequency vibration

Technology:Ultrasound

Solar Battery Camera: Built in solar panel on the camera

Color Temp(K): 3000K

Hot Sale I7s TWS Bluetooth Earphone Stereo Earbud Wireless Bluetooth Earphones In-ear Headsets For All Smart Phone Colour_Wine Because of the high frequencySPECIFICATIONS Brand Name: M&J MELODY & JOURNEY Style: Ear Hook Vocalism Principle: Dynamic Origin: Mainland China Active Noise Cancellation: Yes Material: Plastic Control Button: Yes Communication: Wireless Volume Control: No Category: Earphones & Headphones Certification: CE Number Of Drivers: 2 Plug Type: NONE Impedance Range: up to 32 Headphone Pads Material: Other Support Memory Card: No Waterproof: No Frequency Response Range: 20 22000Hz Magnet