FEATURE:[Advanced 5.0 Bluetooth Technology]: Works well with wireless bluetooth 5.0 connectivity , or wired 3.5mm stereo cable . Also for TV can also use the optical , for RCA cable included . No fussing or limitation to move it to more rooms.[An Upgraded Version]: 4 speakers, 3D stereo surround sound, the effect is absolutely shocking.[Multiple Connection Meet Your Need]: fully compatible with most kinds of Bluetooth devices, wireless playing, do follow your heart. WIRED AND WIRELESS INPUT, enjoy streaming music via built-in Bluetooth 5.0; wired connection including RCA, 3.5mm cable, TF, and U Disk.[Remote Control]: You can quickly and easily control the treble and bass settings of the sound bar.[Clear Sound And No Noise]: This sound bar with advanced technology, brings amazing clarity and precision, let you Enjoy all the details of dialogue, music and movies.[Multiple Setups, Multiple Options]: Sits flat below the TV screen or securely mounts on the wall for a sleek, elegant home theater setup[Wide Compatible]: This soundbar can be compatible with TV, and almost all the TVs in the market, and mobile phone, for DVD, tablet, for projector . SPECIFICATION:- Material: Plastic PVC + Hardware Mesh Cover- Color: Black- Bluetooth Model: BS-10- Number of Horns: 4- Bluetooth Version: 5.0- Bluetooth Connection Distance: < 10m- Signal to Noise Ratio: ⥠80dB- Waterproof Level: IP4- Radio Frequency Range: 87.5MHz-108MHz- Product Size: 55cm * 6cm * 6cm/21.65 * 2.36 * 2.36 inches- Input Voltage: DC5V 1A- Rated Voltage: 3.7V- Single Power: 5W- Total Power: 20w- Frequency: 20Hz --20KHZ- Radio Frequency: 87.5Hz-108Hz- Battery Model: 18650- Battery Capacity: 3.7V 2000mAH- Charging Time: 3.5h- Working Time: 3-10h- Remote Control Battery Model: CR2032- Suitable for: Supporting TV/Computer/Tablet/Laptop, Desktop/Mp3/Mp4/Dvd Player- EQ Sound Effect Functions: Ordinary, Classical, Jazz, Pop, Rock, Etc Function:Bluetooth (BS-10)TF Card (Up to 32G)AUX (3.5mm Audio Cable Not Included)FM (Charging Cable as Radio Antenna)USB DiskRCA Input Mode Key Introduction:On/Off ButtonPause/Play KeyVolume Adjustment KeyMode Switch KeyAdjust Show & Song Keys Port Introduction:TYPE-C Charging Port3.5mm AUX PortSD Card Input PortRCA Red and White Input PortsUSB Disk Port How to Connect to both speaker together?Turn on 2 soundbar devices, long press "the mode switch button" on one of the devices until you hearing ding dong, the two devices are successfully Connectivity. NOTE:1. The Remote Control Has an Insulation Pad Inside, Please Remove It When You Use It.2. Please Fully Charge Before Use.3. When Charging, It Shows a Red Light, the Light Goes off When Fully Charged!4. Digital Audio Conversion Not Supported!5. TF Card (Maximum Support for 32g), AUX (3.5mm Audio Cable Not Included) ITEM INCLUDED:- Soundbar (BS-10) * 1- Remote Control * 1- TYPE-C Charging Cable * 1- Manual * 1- RCA Left and Right Channel Cables * 1