Specification:Product Name: QCY J132 Bluetooth EarphoneBluetooth Version: Bluetooth V3.0LED Indicator Light : Support Charge Interface : Micro-USB Operating Distance: Up To 10m(free space)Support Profile: A2DP， AVRCP， HSP， HFPTalk Time: around 3 hoursStandby Time: around 110 hoursCharging Time: around 2 hoursFrequency Response: 20Hz - 2000kHzSensitivity: 118dBWeight : 50g>Size:33 x 17 x 12 mmPackage: 1 X Earphone + 1 X USB Cable + 3 X Pair Ear Cap + 1 X Ear-hook