Highlights: Style: Headband Communication: Wireless Connectors: None Wireless Type: Bluetooth Vocalism Principle: Dynamic Control Button: Yes Volume Control: Yes Active Noise-Cancellation: Yes Function: For Mobile Phone, for Video Game, HiFi Headphone, For iPod, Sports, Common Headphone Plug Type: Wireless Sensitivity: 93±3dB Frequency Response Range: 20-20000 Hz Line Length: None Resistance: 56Ω Waterproof: No Support Memory Card: Yes Support APP: Yes Is wireless: Yes With Microphone: Yes Codecs: Apt-X Package Weight: 0.232kg (0.51lb) Talk time: 6 hours Noise reduction technology: Noise reduction technology Product Description: The Multifunctional headphone combines the Bluetooth, Card MP3 player and FM Radio function, and supports hands-free function. With this product, you greatly enjoy the wonderful wireless music, listen to FM radio, and it also can be worked as a MP3 Player because it supports Memory card (MicroSD / 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. 4 in 1 Multifunctional stereo Bluetooth Headphone: Wireless Stereo Bluetooth + Card MP3 player + FM Radio + 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, Smart Phones, Tablet PC, Laptop, NoteBook, etc. Be designed with two High-grade speaker and has built-in Mic,,powerful bass system, bring 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. Type: Stereo headphone with Mic Bluetooth version: 4.1 Operation Distance: 10m Plug Type: 3.5mm Color: Random Support: Bluetooth, Aux in, TF Card, FM radio The output frequency: Class 2 USB charging cable: AC input 110-240 V DC input 5 V Frequency: 2.4 GHz 2.4835 GHz What is in the box: 1 x Wireless Bluetooth Headset SKU: 190510080209