You are Buying a brand New And Factory Sealed Stereo Bluetooth Headset Wireless Headphone Foldable Overear Headband Wired Earphone with 3.5mm Audio Cable With Microphone Support Handsfree, Playback 4 in 1 Multifunctional Stereo Headphone: Wireless Stereo Bluetooth + Card MP3 player + Wired Headset function + FM Radio. Wired Headphone: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, Smart Phones, Tablet PC, Laptop, NoteBook, etc. Be designed with built-in Mic,supports hands-free function, conveniently answer the incoming call during travel.You can answer or reject the call through this headset without taking out your cellphone after you connect it with your cellphone.bring you superior sound effect. Best choice for listening to music, watching movie, chatting online, etc. Quality Warranty and Money Back Guarantee:If there are any issues, will give you a total refund or a replacement, at no cost without questions asked. We just want your 100% satisfaction. Product description Model Number: STN-16 Type: Stereo headphone with Mic Bluetooth version:V3.0 + EDR Support Profiles: A2DP Profile and Advanced Audio Distribution Profile(A2DP) Operation Distance: 10m Range TF Card Supported:128M-32GB(TF card not inclued) Music format supported:MP3/WMA FM Radio range:87.5-108.0MHZ Frequency Range: 2.4GHz?2.4835 GHz Impedance:32? Rechargeable lithium battery: 250mAh Talking Time: 4-5 hours Music Playing Time: 4-5 hours Standby Time: 100 hours Charge Time: 2-3 hours Plug Type: 3.5mm Pair with Bluetooth Devices a: Long press "MFB"(Multi-function button) for 5 seconds , till Green and Blue LED indicator light flashing alternately the headphone will report. b: Enable the Bluetooth function of the device and search for available Bluetooth devices, then select "STN-16" from the search results. c: the Red and Blue indicator will stop flash, and you will hear a "Beep", means it is connected. Package Included: 1 * Bluetooth Headset 1 * USB Cable 1 * Audio cable 1 * User Manual Product information Package Dimensions 11 x 7.1 x 3.3 inches Item Weight 14.4 ounces Shipping Weight 14.4 ounces