4 in 1 Multifunctional stereo Bluetooth Headphone: Wireless Stereo Bluetooth + Card MP3 player + FM Radio + 3.5mm audio Wired Headset functio
*Be designed with High-grade speaker and built-in Microphone, Powerful Bass system, bring you superior sound effect. Best choice for listening to music / FM Radio, watching movie, chatting online, etc.
*Easy to pair with almost any Bluetooth-enabled audio / music players devices, such as, Smart Phones, Tablet PC, Laptop, Notebook, etc.
*Supports hands-free function, conveniently answer the incoming call during travel.
*High-quality, folding design and adjustable headband length, comfortable to wear and easy to carry.
Headband Headset Specification:
Type: Bluetooth Headphone with Microphone.
Frequency response:2.4-2.4835GHz ISM band
Range TF card supported: 128M-32GB
Music format supported:MP3/WMA
FM radio range supported:87.5-108.0MHz
Driver unit:40mm Diameter
Battery Capacity: 250mAh
Sensitivity:115db S.P.L. at 1kHz
Mic unit:4mm*1.5mm -42dB