Product Name: All-in-One 2.1 CH Bluetooth Speaker (Support FM Radio, SD Card, TF Card, USB Charging) Model NO.: TP-WSD13 FM: With FM Sound Channel: 2.1 Control: Wireless Finish: Plywood Speaker System Audio Output Mode: Stereo Player Type: Bluetooth Home Audio & Theater Watts Per Channel: 50 - 150W Output Power: 60W(2*15W+30W) Transmission Distance: 20m Bluetooth Profile: 3.0+EDR, A2dp Trademark: chinasoyo Transport Package: Gift Box Specification: CE/FCC/TELEC Origin: Shenzhen, China HS Code: 8501101000 Product Description TP-WSD13Multi-function Integrated 2.1 CH Bluetooth SpeakerFor ultimate perfection1. Integrated design. We integrate 3 units into 1 unit, we reduce various lines to only one necessary power cable. We do simple design to the extreme. We believe "simpler design, easier life".2. Multiple functions. We design utility functions to the extreme. It is the first time for us to realize the interaction between the speaker and music player devices. You can use you smart phone to control the speaker, also, you can control your smart phone via the speaker. What's more, the speaker supports USB charging/FM radio/SD card/TF card/USB input/Auxiliary cable input. We believe "more functions, more enjoyment".3. Sound-oriented. We know, to a speaker, the sound quality is the most important. Nothing can shake our dedication to sound quality. We use 5.25 inch horn to ensure the shocking bass, we strengthen the tweeters to achieve the clear treble. All the improvements are made on the basis of making better sound quality. We believe ''better sound, better speaker".This is our latest ultimate 2.1CH speaker system, what's your idea of the next generation ultimate 2.1 CH speaker system?Bluetooth versionBluetooth 3.0Channel2.1Cabinet materialWoodTheoretical output60W(15*2+30*1)Horn size3 in. (tweeter), 5.25 in. (woofer)Impedance4ΩSNR≥67dB(1KHz THD1%)Frequency response20HZ_250HZ(woofer) 250HZ _18KHZ(tweeter)AntimagneticSupportAux interfaceOne RCA audio output, one 3.5mm audio input.Product dimension380*255*125mmNet weight3.9Kg