● Bluetooth Version: V4.0
● Product: Wireless Bluetooth Headset
● Product Size: Φ30mm (Driver)
● Packing Size: 265*200*65mm
● Material: ABS+PC
● Weight: N/W 137g G/W 550g
● Colour: Black, Black+Red, White+Silver
● Rated Power: 10mW (Max Power 30mW)
● Rated Impedance: 32Ω±10%
● Sensitivity: 105±3dB (at 1kHz)
● Distortion Degree: <1% 94dB (20μpa)
● Channel Balance: <2dB (at 1kHz)
● Frequency Response: 20Hz～20kHz
● Transmission Standdard: CLASS 2 (≤10m)
● Standby Time: >150 hrs (Battery saturation)
● Working Time: >6 hrs (Volume 50%)
● Charging Time: 2～3 hrs
● Charging Voltage: USB 5V (DC 5V 300mA socket)
● Built-in Battery: Polymer lithium ion 3.7V 190mA
● Channels: 79 channels of 1Mhz BW