Waterproof Wireless Bluetooth Speaker With Handle Bracket

Product information: Power mode: Built-in lithium battery Color: blue, black, red, camouflage, Chinese green, orange stripes, red, butterfly Frequency range: 100hz-20khz Interface Type: USB Applicable personnel: general Shell Material: Plastic Operation method: Button Function: waterproof, radio, dustproof, drop-proof, call function Bluetooth specification: Bluetooth 4.2 Wireless transmission range: 10m Battery capacity: 1200mAh Built-in voltage: 3.7V Playback Time: 2-4H Speaker sp