Phone-Box p47-headphone Bluetooth Headset  (Over the Ear)

-It allows you to get a great position on your head -Compatible with all smart mobile phones, high quality supports TF memory card -These headphones offers you a sleek style with a slim profile but also an adjustable contoured headband -The headphones are extra comfortable so that your ears don't hurt after wearing them for a long time -This foldable portable design makes it easy to take along on that next vacation or business trip or to store in your desk drawer for use at work -Item name: P47 - Wireless Bluetooth Stereo Headphones Scope of work: 10m - Material: Metal and PC -It is used for answering phones, Bt, FM function, Microphone, Song Switching, Sweatproof Specifications: Item Type: Bluetooth Earphone Color: Black, White, Red, Blue, Green Bluetooth Solution: V4.2+EDR Voltage: DC5V FM Frequency: 87.5-108MHz Bluetooth Frequency: 2.401-2.480GHz Bluetooth Distance: 10 meters Frequency Response: 50HZ-20KHz Output Power: 35mW Signal to Noise Ratio: 88Db Charging Time: 2 hours Frequency Range: 20KHz-20000KHz Sensitivity: 90dB/mW Impedance: 32? Drive unit: 40mm Working Time: 2-3 hours Transmission Distance: 10 meters Battery Capacity: 250mA Transmission Frequency: 2402MHz-2480MHz