Communication : AUX,Bluetooth,Audio LineBattery : YesSpeaker Type : SubwooferPower Source : Battery,ACNumber of Loudspeaker Enclosure : 4Certification : CECabinet Material : MetalAudio Crossover : Four-WayChannels : 4 (3.1)Input Power(W) : <25 WIntelligent Personal Assistant : NONEOutput Power : 20WRemote Control : YesSupport Memory Card : YesPlayback Function : mp3Display Screen : NoVoice Control : NoMaterial : MetalSupport Apt-x : NoDisplay Screen : NoWaterproof : NoBuilt-in Microphone : YesSupport APP : NoFeature : Play Video,Phone FunctionFrequency Range : 70Hz-20KHzBluetooth Surround Soundbar: with wireless Bluetooth 4.2 speaker, listening to your music with a tap of a finger, fit in smart TV, cellphone, tablet, laptop and so on4 Modes: TV Mode, FM Rodio Mode, IF Card Mode, USB Mode; Supports U disk and TF card (up to 32G) player (not included), Two channels of 3.5mm external AUX audio input4 Full Range High-quality Speaker: Completes your home theatre system and bring the great bass, provides you a loud and clear surround audio experience in the bedroom and living roomEasy to Control and Operate: It features LED indicator light and sensitive button, much easier for users to operateFlexibly Placing: Fashion and portable design suits any home decoration, wireless Bluetooth input and TF-card input for savoring your stereo music good time everywhereParameters:- Bluetooth version: 4.2- Frequency response: 20Hz - 20KHz- Transmission power: 1.49mW- Transmission frequency: 2.48GHz- Bluetooth distance: 8 - 10m- Charging time: 2 - 3 hours- Playing time: 4-6 hours- Standby time: 240 hours- Bluetooth profiles supported: A2DP, AVRCP, HSP and HF- Battery: 3.7V/2000mAh (included)- SNR: 80dB- Output power: 5W x 4- Charging plug: Micro USB- Charging voltage: DC 5V/1A - 2APackage weight: 0.877 kgProduct Size(L x W x H): 55.00 x 5.00 x 5.00 cm / 21.65 x 1.97 x 1.97 inchesPackage Size(L x W x H): 58.00 x 8.50 x 8.50 cm / 22.83 x 3.35 x 3.35 inchesPackage Contents: 1 x Speaker, 1 x USB Cable, 1 x User Manual in English