This bluetooth speaker not only keeps the traditional speaker characteristics￡? but also integrates into the stylish design and?bluetooth accessible connection to pursue the perfect sound quality. Three crystal sound modes bring you into wonderful Hi-fi sound?enjoyment and you can choose any one of them. This speaker is beyond your imagination.? <br><br><strong>Features:</strong> <br>Three different audio modes (balanced audio mode￡? subwoofer mode and cinema surround mode) to meet your different requirement. <br>With dual speakers of 5W and dual channel￡? the speaker can handle a separate home theater sound field positioning effect. <br>Ultra long control distance￡? enjoy max. 20m long distance wireless playing. <br>DSP audio signal processing. <br>3D surround stereo guarantees the perfect sound of music playing. <br>Bluetooth and AUX IN connection￡? more choice￡? more flexible. <br>Elegant and fashion type design￡? attractive￡? portable and durable. <br><br><strong>Specifications:</strong> <br>Bluetooth version: 4.0 <br>Working distance: 20m / 65.61ft <br>Support profiles: A2DP V1.2￡? AVRCP V1.4 <br>Output power: 5W * 2 THD !#!lt!*!0.5%￡? 5W harmonic distortion !#!lt!*!0.5% <br>Input power: 5V Micro USB port charging <br>Frequency Response: 50Hz ?a 20KHz <br>SNR: S / N ?Y 85dB <br>Battery type: Lithium battery 3.7V / 2200mA ( included ) <br>Connecting cable: 3.5mm stereo audio cable <br>Charging time: Approx. 4 hours <br>Working time: 6 ?a 8 hours (depending on the volume of music) <br>Color: Red￡? black￡? silver (Optional) <br>Item weight: 460g / 1.01Lb <br>Item size: 27 * 6 * 5cm / 10.62 * 2.36 * 1.96in (L * W * H) <br>Package weight: 788g / 1.73Lb <br>Package size: 31 * 10 * 8cm / 12.20 * 3.93 * 3.14in (L * W * H) <br><br><strong>Package List:</strong> <br>1 * Bluetooth speaker <br>1 * USB charging cable <br>1 * 3.5mm Stereo audio cable <br>1 * User manual (English￡?