Functional characteristics: 1. FM radio automatic search/save 2. U disk /MicroSD (TF),AUX IN external audio input 3. Four alarm clocks, 4 ringing (USB, SD card, radio, classic ringing) 4. Bluetooth hands-free phone, music player 5. A-B paragraph loop repeat 6. Infrared remote control 7. Button operation, 360 degree rotation incremental volume controller 8. External 5V DC charging 9. Digital clock/perpetual calendar,Backlight LCD display, three kinds of backlight brightness selection 10. Time display 11.Timing/delayed shutdown 12. EQ:6 kinds of EQ sound effects, when playing TF card and USB music, press the remote control "0" to switch the sound effect mode (JAZZ jazz,CLAS classical,POP pop,ROCK rock,NOA normal,BASS heavy bass) Specification parameter: Output power: 5W RMS (THD+N=10%, FO=1kHz) Signal to noise ratio: 70dBA Distortion: 1% Frequency response: 100Hz-18kHz Audio input mode: Bluetooth/AUX/USB/TF/FM Volume control form: 360 degree knob adjustment Speaker: 4 5W Power supply: lithium polymer rechargeable battery 3.7V 1800mAh Charging power: DC5V 600mA Size:156mmx116mmx101mm Built-in lithium battery: 1800 mah Broadcast time: 10 hours Weight: about 800 g Shell material: wood FM receiver: YES U disk/TF card play: YES Supports: infrared, bluetooth, digital clock, alarm clock, timer switch machine Package Contents: 1*Multimedia Wooden Bluetooth Speaker 1*Infrared remote control 1*Audio cable 1*Charging Cable 1*Chinese Manual