Description:This Bluetooth speaker subwoofer plays music in TF card and Bluetooth devices to create a super heavy bass and hifi sound through two large power speakers. Built-in microphone allows you to have phone calls with hands free. And you can listen to FM radio stations. Furthermore, clock alarm reminds you of time in the morning to avoid being late.Features: Super Heavy Bass Sound - Two 52mm speakers create a super heavy bass. High density synthetic wood effectively eliminates bad resonance to make sound thick and steady. Lossless HiFi Music - Built-in high sensitivity module enables the loudspeaker subwoofer to play hifi music with no sound loss. Hands-free Call - The built-in microphone allows you to have phone calls with hands free through it. FM Radio - You can listen to fm radio stations. Clock - Clock function reminds you of time to avoid being late for appointments. Bluetooth/TF/AUX Input - Adopting various types of music sources to play music you like. Screen Display - Built-in screen lets you control real-time condition of time, music playing and fm radio stations. Long Service Life - Dual power supply system enables this Bluetooth speaker subwoofer to work for a very long time. Specifications:Product type: Bluetooth Speaker SubwooferMaterial: Synthetic fiber woodBattery capacity: 1500mAhRated power: 3W*2Play time: Continuous 6-8 hoursConnection: Bluetooth 4.0/TF card/AUX inputFM radio: SupportClock alarm: SupportScreen display: SupportSignal to noise ratio: ≥60dBSpeaker: 2 * 52mm speakersColor: Brown grain, yellow grain for your choicePackage size: approx. 17.8 * 11.3 * 12.6 cm/ 7.01 * 4.45 * 4.96 inPackage weight: 632gPackage List:1 * Bluetooth Speaker Subwoofer1 * User Manual1 * Data Cable1、Super Heavy Bass Sound - Two 52mm speakers create a super heavy bass. High density synthetic wood effectively eliminates bad resonance to make sound thick and steady. 2、Hands-free Call - The built-in microphone allows you to have phone calls with hands free through it. 3、FM Radio - You can listen to fm radio stations. 4、Clock - Clock function reminds you of time to avoid being late for appointments. 5、Screen Display - Built-in screen lets you control real-time condition of time, music playing and fm radio stations.