Features: [BT / Wired Gaming Headphones] B3506 is not only a BT headset, but also a wired headset. It's compatible with many devices by connecting its included audio cable, such as for iPhone 6 / 6S Plus, Samsung S7, LG, for iPad, PC, laptop, PlayStation 4, etc. [BT Music BT Call] With BT 4.1 connecting, hands Free headset can receive and make calls with built in microphone function. What's more, listen to your favorite music wirelessly. [Easy Access Controller for Your Freedom] Multi-functional keys allow you to power on / off, answer / hang up / reject / redial call, pause and play, vol+ / -, next / previous track. 3.5mm AUX tangle free cable with a Play / Pause / Answer / Hang up calls button. [Extremely Comfortable] Lightweight and LED indicator stylish design is with adjustable headband and protein leather ear cushion. Foldable design for easy storage. Take it anywhere you go. Let it be part of your music experience. [Endurance Time] Up to 8 hours talking / music time mode with its included 400mAh battery. A perfect companion to you daily activities. Note: Included audio cable is equipped with a Play / Pause / Answer / Hang up calls button and a IP(international standard) / NK(national standard) switch. Connecting the audio cable with your headset, if your headphone appears unclear sound, only one side with sound or the microphone doesn't work, which means it doesn't support your device, you should switch the IP / NK key.