Feature:<br />1.Bluetooth 3.0 Technology・ compatible with all Bluetooth-enabled devices・ connect to your smartphone instantly.<br />2.High capacity rechargeable 1800mAh battery for up to 5 hours of playtime based on music volume.<br />3.Support TF card・ can dial・ answer・ re-pull・ hang phone・ conversion mode has live voice prompts..<br />4.Light weight and portable・ easy to carry and use in indoor and outdoor.<br /><br />Specification:<br />Item Type: Bluetooth Speaker<br />Material: ABS Plastic<br />Color: White・ Blue・ Red・ Orange・ Gray<br />Bluetooth Version: V3.0<br />Battery: 3.7V 1800mAh Lithium Battery<br />Charging Voltage: DC 5V / 500mAh-1000mAh<br />FM Frequency Range: 87.5-108MHz<br />Frequency of Amplification: 150 ~ 18000Hz (+ - 3dB)<br />Speaker: Double Speakers 4  3W diameter 40mm<br />Horn Power: 3W x 1<br />Charging Time: 2.5-3.5 h<br />Play Time: Up to 5 h<br />Battery: Built-in battery (rechargeable)<br />Baby Size: 118 * 50 * 55MM<br />Function: TF Card・ FM Radio・ U Disk<br />Package Dimensions: 16 x 4 x 6 cm<br />Weight: 200 g<br /><br />Packing List:<br />1 x Bluetooth Speaker<br />1 x Charging Cable<br /><br />Warm Reminder:<br />1.Long press I<< or >>I for Volume- or Volume+<br />2.For radio mode・ the speaker has a built-in antenna・ insert AUX cable can be used as an external antenna・ press M to switch to radio mode・ press the play button it will search the channel signals and save automatically・press up and down to switch