Mogoi Fashoin Wireless Bluetooth Foldable Headset Stereo Headphone Earphone

Specifications:
Bluetooth Specification: V3.0+EDR class 2
Built-in microphone: Allows clear communication;
3.5mm audio jack:Provides a simple wired connection of a variety of devices.
40mm drivers:Along with neodymium magnets produce deep, enhanced bass and full-range sound for dynamic audio.
Battery: Li-poly 300mAh battery
Charging Time: 2-3hs
Working Distance: 5~16metres
RF Frequency Range: 2.402-2.480GHZ,2.4G ISM brand
Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
Impedance: 32 ohm