20W Home TV Wireless Bluetooth Speaker Speaker Bar Speaker Portable Stereo Music Player Bass Sound System and FM Radio Speaker Product Features: 1. Adopt Bluetooth V4.0 version 2. Use 4 full-frequency speakers 3.RCA interface audio input function 4.TF card audio input function 5.3.5mm audio input 6.FM radio function 7. Use micro charging port 8. Can control the volume addition and subtraction 9. Can control songs up and down song 10. Can control song pause and play Product parameters: Bluetooth version: Jerry V4.0 Battery Type: 18650 polymer battery Battery capacity: 2000mA Use time: about 3.5 hours Output power: 4 euro * 5W Frequency response: 20Hz-20KHz Transmission frequency range: 2.402G-2.480G Signal to noise ratio: ±80db Transmission distance: 8-10m Charging type: microUSB 5V/1.5A Size: 550*50*50mm Bare metal weight: 630g 1. Fully upgraded version of 4 speakers 3D stereo surround sound carefully crafted to enhance your TV's better sound quality. 2. Easy to operate Bluetooth device is fully compatible with wireless playback and enjoy freedom 6 core advantages: radio 3.5AUX wireless Bluetooth TF card direct reading RCA input lossless sound quality Two speakers wirelessly interconnect to form a larger audio array Frames and display items include: 1 * Bluetooth speaker 1 * USB charging cable 1 * RCA cable 1 * remote control note: 1The color of the item may be slightly different from the image due to the difference of light and screen. 2 Allow 0.5-2 cm difference due to manual measurement