Wireless Portable Bluetooth Speaker - Whether you're partying, walking out, Camping, Hiking, Biking, or just lounging around the house, enjoy a full-range stereo sound with a impressive volume. Built-in rechargeable, 2400mAh Provides extended playback. Bluetooth Speaker, Sound, and Volume speaker for laptop and mobile.Button FunctionLight button: short press to change the led mold, long press to open/close the ledButton: long press: tum up the volume, short press: next song/ next radio stationbutton: long press: tum down the volume, short press: last song/last radio stationDI/M" button: short press: pause/play, long press: switch mode (BT, Aux, FM),when switch to FM mode, short press this button again then can search the radio station automatically"USB" port: USB port, plug and play"TF" port: TF port, plug and play"ON/OFF": switch to open/close the product"DC5V" port: DC5V-1A charging portTechnical specificationsModel number: M415SPProduct size: 205x75x75mmAccessories: 2 in 1 charging/audio cableMain Material: ABS Plastic and Iron MeshWireless Distance: 10MBattery capacity: 2400 MahOutput power: 5Wx2Horn size: 52 mmPower input: DC5VSupport modes: TF, USB, FM, BTDimension :-Volu. Weight (Gm) :- 292 Product Weight (Gm) :- 583 Ship Weight (Gm) :- 583 Length (Cm) :- 22 Breadth (Cm) :- 8 Height (Cm) :- 8