For Mobile Phones & Tablets & Laptops, Support 32GB TF Card Maximum, B5701. Wired and wireless, hands free call, USB charging, Bluetooth signal, wireless card play. 2. Use LED display function to facilitate mode rotation and song switching. 3. Humanized removable battery design, standby battery can be replaced at any time, no power troubles. 4. Environment friendly rubber head beam, light and flexible. 5. Folding structure design, easy to carry and storage. Specification: General Model B570 Types Headset (with mic)

4 degrees Fahrenheit when fully charged

One Package Size 26cm * 17cm * 1

better display products

thick case

clear picture quality

magzine or cloth case

Model Number: SG-8

Application:Microphone

Recording Format : WAV

Product Size 11

Continuous working time: 70 hours

IPX7 waterproof