Details:Doss Asimo X1 Bluetooth Speaker with LED & FanFeatures:Smart Voice Handsfree: Special Doss voice prompt calling, Answer the call, Voice notice phone number.Fashion and Amazing X design, with 48pcs led light, 16million different changing2pcs 2.25inch speaker, Easy cooperating, perfect quality soundWith fan, led, shock and voice, It gives you the lively feeling while you play game or watch moviesDual power, built in 4400mah lithium batteryBuilt-in Slot for TF cardYou can use for meeting, travelling, party, outdoor, use for play game or watch movies etcSpecifications:Bluetooth Version: V3.0 EDRTransmitting Distance: 10MUSB Charging Voltage: DC 5VOutput Power: 2 x 3WBuilt in lithium battery, 4400mahSupport TF CardProduct size: 217 * 187 * 56 mmCompatible with iPad, iPhone, iPod, Galaxy, Tablets, Smartphones & Other Music devices with Bluetooth Function