S460 Bluetooth Wireless Stereo Headphone -Black

MP3 and FM basic parameters Data interface: USB2.0 Music format: MP3/WMA Support TF Card range: 128M-32CB FM frequency range: 87.5-108.0MHz Polymer Li ion battery capacity: 350mAh Headset parameters: Speaker: 40MM Sensitivity S.P.L at 1kHz 115dB Impedance: 32 ohm Use frequency: 20HZ-20kHz Power: 40mW Receiver: 4mm*1.5mm -58dB Input interface: 3.5mm stereo

1) wireless version : 4.2
2) operation distance : 10m
3) range of frequency : 2.4 to 2.4835GHz ISM band
4) sensitivity : -85dB

Specification of MP3/FM

1) PC interface : USB2.0
2) Music format : MP3/ WMA
3) FM frequency response : 87.5-108MHz
4) Rechargeable lithium battery : 250mAh

Specification of headphone

1) Type : stereo headphone with MIC
2) Speaker : 40mm
3) Sensitivity : 115dB S .P .L at 1KHZ
4) Impedance :32
5) Frequency response : 20HZ-20KHZ
6) Rated power : 40mW
7) Power capability : 100mW
8) Cable length : 1.5m
9) Microphone unit : 4.5mm X 2mm , -58dB +/- 3dB
10) Plug type : 3.5mm stereo