Stereo Music Headphone STN-12:

If you want to find a high-quality and multifunctional headset, the Wireless Stereo Bluetooth Headset is your best choice. The Multifunctional headphone combines the Stereo Bluetooth, Card MP3 player and FM Radio function. And The Headphone with built-in Microphone supports hands-free function. With this product, you greatly enjoy wonderful wireless music, listen to FM radio, and it also can be worked as a MP3 Player because it supports Playing Memory Card (Micro SD / 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. the Sport Headset with a high-grade built-in Microphone and 40mm Speaker can offer you wonderful music and clear communication. Its lightweight and compact portable size is perfectly suitable for jogging, traveling, hiking and other sports.  

Features:
4 in 1 Multifunctional stereo Bluetooth Headphone: Wireless Stereo Bluetooth + Card MP3 player + FM Radio + 3.5mm audio Wired Headset function. 
Noise Suppression & Echo Cancellation Technology, bringing you clear sound effect.  
Be designed with two 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.  
Low power consumption, bring you 8 hours of talking time, 10 hours of music playing time and 120 hours of standby time. 
High-quality, folding design and adjustable headband length, comfortable to wear and easy to carry.
 
Specifications:
Model Number: STN-12
Type: Stereo Bluetooth Headphone with Microphone.
Bluetooth Version: 3.0 + EDR
Support Profiles: HSP, HFP, AVRCP,A2DP (Advanced Audio Distribution Profile)
Operation Distance: 10m; Class 2
Frequency Range: 2.4 GHz ~2.4835GHz ISM band. 
Sensitivity: - 85dB
Music Formats: MP3 / WMA. 
Supports TF / Micro SD Card (128M ~ 32G)
FM Frequency: 87.5 ~ 108.0 MHz
Speaker Diameter: 40mm.
Sensitivity: 115dB S.P.L at 1Khz
Resistance: 32ohm
Frequency Response: 20Hz ~ 20KHz
Rated Power: 40W
Microphone Unit: 4mm * 1.5m -42dB
Plug Type: 3.5mm Stereo Audio Plug
Rechargeable Lithium Battery: 250mAh
Talking Time: 8 hours
Music Playing Time: 10 hours
Standby Time: 120 hours  
Charge Time: 2-3 hours
Charge Poet: Mini USB 2.0
Audio cable length: 112cm
Color: White, Blue, Black, Red, Pink (Optional)
Main item size (Folding): 18.5 * 11.5 * 8.0cm / 7.28 * 4.52 * 3.14in
Item weight: 202g / 7.15oz
Package size: 21.0 * 17.0 * 9.0 cm / 8.26 * 6.69 * 3.54in
Package weight: 417g / 14.5oz