The Xiaomi Portable USB Rechargeable Bluetooth V4.0+EDR Stereo Speaker presents a perfect combination of high sound quality and sleek， compact design， definitely your ideal choice! It features Bluetooth V4.0+EDR connectivity to ensure a wider compatibility. Powerful driver units provide truly rich， full stereo sounds. Control buttons are all hidden under it， showing the true beauty of simplicity. Meanwhile， solid aluminum housing makes it a durable speaker you can count on. With inbuilt rechargeable battery， it has up to 12 hours super long battery life. Click and order one now!                                    Features             Present a perfect combination of high sound quality and sleek， compact design<br> Bluetooth V4.0+EDR connectivity ensures a wider compatibility<br> Powerful driver units provide truly rich， full stereo sounds<br> Hidden control buttons show the true beauty of simplicity<br> Solid aluminum housing， reliable and durable<br> Inbuilt with rechargeable battery， long battery life <br>                                                            Specifications             Brand     XIAOMI    <br> Model     V4.0 & EDR    <br> Material     Aluminium    <br> Color     Black    <br> Quantity     1Piece    <br> Bluetooth Handsfree     Yes    <br> Bluetooth Version     V4.0    <br> Operating Range     10m    <br> Microphone     Yes    <br> Frequency Response     2.4GHz-2.48GHz    <br> Radio Tuner     No    <br> Built-in Battery Capacity     2000mAh    <br> Battery Type     Li-polymer Battery    <br> Talk Time     13Hour    <br> Music Play Time     11    <br> Power Supply     External Battery    <br> Weight     6.95oz / 197g    <br> Dimensions     (2.91 x 2.91 x 2)" / (7.4 x 7.4 x 5.1)cm (L x W x H)     <br>                                                             Package Includes            1 x Speaker<br>1 x USB Cable (65cm)<br>