BS-28 Portable Bluetooth V4.0 Wireless Rechargeable Speaker Support TF Card

Adopt Bluetooth V4.0 version
Use 4 full-range speakers
USB interface. U disk audio input function
TF card audio input function
Available to control the volume addition and subtraction

Features: 1. Adopt Bluetooth V4.0 version 2. Use 4 full-range speakers 3. USB interface. U disk audio input function 4. TF card audio input function 5.3.5mm audio input 6. FM radio function 7. Adopt micro charging interface 8. Available to control the volume addition and subtraction 9. Control songs up and down 10. Can control song pause and play 11. Caller ID; smart voice Specification: Bluetooth version: Jerry V4.0 Battery type: 18650 polymer battery Battery capacity: 2000mA Use time: about 3.5 hours Output power: 4 ohms * 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 Weight: Approx.570g/20.11oz Package list: 1 * Speaker 1 * 3.5mm Audio Cable 1 * Charging Cable 1 * Video Cable 1 * Manual