Charging method: USB charging, very convenient. * Instructions for use: the side of the earmuff, there are three buttons. The middle of the pause button, is the boot and shutdown keys, has been pressed for 3 seconds,boot or shut down; boot, the pause button will have a green light, the ears of the sound of music; boot, use the phone to search for Bluetooth, , Connect it; + key and - key, is to switch music tracks; volume size, by the phone control; After the call, press the pause button to answer.* Applicable gender:neutral,male and female.* Adapt age: adult.* Material:Acrylic,Artificial Wool.*Size: Earmuffs diameter 14-16CM, head frame can be telescopic adjustment (adjustment range 2CM).* Pattern:Bluetooth icon.* Service Mission:Dedicated to provide you with the best products and best service.Only hope to give you a happy, high-quality shopping experience.
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