Features:Support phone/Laptop/Tablet PCSupport TF cardModular， buddy-jack designConnect a row of mini speakers to get jaw-dropping audio performanceNew large 45mm driver delivers precise highs for superb soundSupport A2DP， AVRCP， headset， handfree profileSpecifications:Bluetooth: V2.1Working Range: up to 10mWorking time: 5 hoursDimension: 60mm x 60mm x 57mmSpeaker: 45mmLoudspeaker output: 3WFrequency Response: 280HZ-16KHzS/N: ��95dBDistortion: ��0.5%Battery: 520mAhBattery Charging Voltage: 5V+/-0.5VBattery Charging Time: 2 hoursPackage includes:1 x Mini Bluetooth Speaker1 x Cable