Functional characteristics:1. FM radio automatic search/save2. U disk /MicroSD (TF),AUX IN external audio input3. Four alarm clocks, 4 ringing (USB, SD card, radio, classic ringing)4. Bluetooth hands-free phone, music player5. A-B paragraph loop repeat6. Infrared remote control7. Button operation, 360 degree rotation incremental volume controller8. External 5V DC charging9. Digital clock/perpetual calendar,Backlight LCD display, three kinds of backlight brightness selection10. Time display11.Timing/delayed shutdown12. 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: 70dBADistortion: 1%Frequency response: 100Hz-18kHzAudio input mode: Bluetooth/AUX/USB/TF/FMVolume control form: 360 degree knob adjustmentSpeaker: 4 5WPower supply: lithium polymer rechargeable battery 3.7V 1800mAhCharging power: DC5V 600mASize:156mmx116mmx101mmBuilt-in lithium battery: 1800 mahBroadcast time: 10 hoursWeight: about 800 gShell material: woodFM receiver: YESU disk/TF card play: YESSupports: infrared, bluetooth, digital clock, alarm clock, timer switch machine Package Contents:1*Multimedia Wooden Bluetooth Speaker1*Infrared remote control1*Audio cable1*Charging Cable1*Chinese Manual