Bluetooth version : 4.2
Ear tip material : Silicon
Headphone cable length (cm) : 50.0
Headphone cable length (ft) : 1.64
Driver size (mm) : 5.8
Dynamic frequency response range (Hz) : 2.402-2.480GHz
Impedance (ohms) : 14.0
Number of drivers per ear : 1.0
Bluetooth frequency : 2.402 – 2.480GHz
Bluetooth transmitted modulation : GFSK, π/4 DQPSK, 8DPSK
Bluetooth transmitter power : <4 dbm
Battery Type : Rechargeable Lithium lon Cylindrical Cell(3.7V 2X85 mAh)
Charging time (hours from empty) : 2
Speed Charging time (hours) : 2.0