S8 Wireless Bluetooh Speaker Soundbar Box with Super Bass Bluetooth 4.0 Wireless 2.1+EDR international standard. You can adjust volume directly Through the stereo speakers. 10 meters high-fidelity transmission with nondestructive. super portable. Shock sound, Specially Designed for smart phones and tablet PC. Supports speakerphone,Built-in microphone, to bring clear calls for you, it's very perfect either with single or multiplayer for phone calls or video chat. high-fidelity sound, Stereo speakers, built-in resonance radiator device, equipped with high-efficiency power amplifier, super-low-frequency dynamic, bass-rich, flexible,achieve a more shocking extremely overweight bass effect. Supports Bluetooth V4.0 and can be connected to mobile devices. With a rechargeable 1800mAh lithium battery which offers 8 to 10 hours of continuous playback. Charging time is 2 to 3 hours. Micro USB,TF Card Slot,USB2.0,FM Amazing Bass effects S8 Wireless Bluetooth Speaker Soundbar Box with Super Bass Bluetooth 4.0 Specification: Model: S8 Design: Portable Compatible with: iPhone,iPod,Laptop,Mobile phone,PC,Tablet PC Supports: Bluetooth,TF Card Music Playing,Volume Control Connection: Wireless Interface: Micro USB,TF Card Slot,USB2.0 Audio Source: Bluetooth Enabled Devices Material: ABS,Electronic Components Bluetooth version: V4.0 Battery Information: Battery Type: Lithium Battery Battery Current: 1800mAh Output power: 2*5 W Opertaing Voltage: DC 3.7 V Internal Battery: 3.7/ 1800mAh Frequency response: 100Hz-18KHz Wireless Core: 2.1 Operating scope of wireless: 10m Signal to noise ratio: >70dB Distortion factor: <10% Supports MP3: bit rate: 32kbps-320kbps If you have any questions about S8 Wireless Bluetooth Speaker pleasefeel free to contact us on our 24x7 customer service line (+91) 814 1234 399.