If you want to find a high-performance and multifunctional headset， the OY712 Bluetooth 4.1 Headset is your best choice. The OY712 headset combines the Stereo Bluetooth， Card MP3 Player and FM Radio. And， it supports hands-free with Mic. With the OY712 Bluetooth Headset， you greatly enjoy the wonderful wireless music， listen to FM radio， and it also can be worked as a MP3 Player because it supports playing Memory card (TF card). Moreover， don’t worry， if your music players (Such as， MP3 / MP4， etc) have no Bluetooth function， you can connect the music players to the headset via the included 3.5mm audio cable to enjoy your favorite music. Its leatherette ear cushion greatly insulate the noise around you， so you can hear your music and call clearly. The over-ear styling headset is stable， lightweight and comfortable.  

OY712 Features: 
4 in 1 Multifunctional Stereo Bluetooth Headphone: Stereo Bluetooth + TF Card MP3 player + FM Radio + 3.5mm Wired Headset function.  
3.5mm audio jack， provides a simple wired connection of a variety of music players (Such as， MP3 / MP4， etc) without Bluetooth function. 
Easy to pair with almost any Bluetooth-enabled audio / music players devices， such as， for Andriod / iOS Smart Phones， Tablet PC， Laptop， Notebook， etc.  
DSP noise cancellation， bring you clear sound effect.   
Be designed with two High-grade speaker and built-in Mic， powerful bass system， bringing you superior sound effect. Best choice for listening to music / FM Radio， watching movie， chatting online， etc.  
Supports hands-free function， conveniently answer the incoming call during travel.   
Low power consumption， bring you 11 hours of talking time， 10 hours of music playing time and 250 hours of standby time.  
Ergonomic design， folding and adjustable headband length， comfortable to wear and easy to carry. 

OY712 Specifications: 
Model Number: LH-811 
Type: Stereo Bluetooth Headphone with Mic 
Bluetooth Version: CSR 4.01 + EDR  
Support Profiles: HSP， HFP， A2DP， AVRCP.  
Profile and Advanced Audio Distribution Profile(A2DP) 
Operation Distance: 10m; Transmitting Power: Class 2 
Support TF Card: Up to 16G  
Speaker Frequency Range: 20~20KHz 
Speaker Diameter (Driver Unit): 40mm  
Speaker Impedance: 32ohm 
Microphone Dimension: 4.5 * 2.2.  
MIC Sensitivity: -54dB±2dB  
MIC Impedance: 2.2KΩ 
Battery: Rechargeable 3.7V / 160 mAh lithium battery 
Talking Time: Up to 11 hours 
Music Playing Time: Up to 10 hours 
Standby Time: Up to 250 hours   
Charge Time: About 2 hours 
Charge Port: Micro USB  
Plug Type: 3.5mm