This must be one of the most compact portable wireless Bluetooth speakers today and delivers excellent sound quality combined with a great battery life. Store your music on your USB or TF device and insert it into the USB or TF slot to play your music. Can be used as a hands-free Kit as well. Its impressive features include:Bluetooth Range: 10 metresTF card slotUSB card slot for additional memoryFrequency Response: 280HZ – 16KHzOutput power: 3W Input power supply: 520mAhPlaying time: 5 hoursCharging time: 2 hoursProduct Dimension: 6cm x 6cm x 5cm
