-> Bluetooth version : V3.0 EDR -> Frequency response : 2.4-2.4835Ghz ISM band -> Range TF card supported : 128M – 32GB -> Distance : 10/20m -> Sensivity : -80dBm ====> MP3 & FM specification -> Music format supported : MP3/WMA -> Slot : USB2.0 -> FM radio range supported : 87.5 – 108.0 MHZ -> Driver unit : 40mm diameter -> Battery capacity : 250mAh ====> Specification of Headphone -> Driver unit : 40 -> Sensivity : 115dB S.P.L at 1kHz -> Impedance : 320HM -> MIC unit : 4mm * 1.5mm -42dB -> Rated power : 40mW -> Frequency range : 20HZ-20kHZ -> plug type : 3.5mm stereo
