Kotion Each B3506 Headset

Information: 

Great sound quality and Noise Isolation Pads: Equipped Bluetooth 4.1 version chipset with up to 10m/33ft of range without obstacles, hands free headset, high definition stereo headphones provide exact and natural sound. Up to 8 hours playing time and standby time 180 hours. Its closed protein ear cushion blocks noise in almost any environment for better guaranteed comfort. Bluetooth/Wired Gaming Headphones: B3506 is not only a Bluetooth headset, but also a wired headset. Compatible with many devices by connecting its included audio cable, such as for iPhone 6 / 6S Plus, Samsung S5, S4, LG, Xiaomi, iPad, PC, laptop, PlayStation 4, etc. Easy Access Controller for Your Freedom: Multifunctional keys allow you to power on/off, answer/hang up/reject/redial call, pause and play, vol+/-, next/previous track. Comfortable to Wear: Its ear cups are padded with soft protein leather. What you may not notice is that we have adjusted the headband, based on Ergonomics theory, to fit all head sizes. East to Carry Around: Foldable gaming headset. It is portable designed, so that you can enjoy favorite tunes or games wherever and whenever you want; beach, outdoor, gym or anything else.

Instruction:
KOTION EACH Bluetooth Wireless Gaming Headphone B3506 V4.1 Bluetooth with Improved Sound Quality and Better Equalization
The Bluetooth:
This KOTION EACH B3506 Bluetooth wireless headphone is equipped with Bluetooth 4.1 Version Chipset with up to 33 Feet of Range without obstacles. Hands Free headset, receive and make calls with built in Microphone function. Listen to your favorite music wirelessly.
Easy Access Controller for Your Freedom:
LED indicator light, Bluetooth headphones with mic, Volume+/-(Previous track/next track), Play/Pause/Answer/Hang up calls with one button.
Extremely Comfortable:
Lightweight stylish design 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.
KOTION EACH B3506 Performance:
Up to 8 hours talk/music time mode with its included 400mAh battery.  A perfect companion to you daily activities.
All Accessories Included:
3.5mm aux tangle free cable with a Play/Pause/Answer/Hang up calls button, USB to Micro USB charging cable and English manual instruction.
Please note:
Its included audio cable is equipped with a Play/Pause/Answer/Hang up calls button and a IP (international standard) and 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 that it doesn't support your device, you should switch the IP/NK key.
Specifications:
Bluetooth version: 4.1
Product type: Dynamic headphone
Speaker diameter: 40mm
Microphone unit: 4 * 1.5mm
Speaker impedance: 32 ohm
S.P.L.: 106 Db S.P.L. at 1KHz
Frequency response: 20HZ-20,000 HZ
Battery capacity: 400mAh
Battery type: Lithium battery
Charging time: 3 Hours
Talk/music time: Above 8 Hours
Standby time: 180 Hours
Transmission distance: 10m/33ft without obstacles
Operating voltage: 3.7V
Charging voltage: Below DC4.7V-6V
Line-in cable length: Approx. 1.2m / 3.28ft
Unfold headphone size: 19 * 19.5 * 7.5cm / 7.5 * 7.7 * 3.0in
Headphone weight: 260g / 9.2oz
Package size: 14 * 8.8 * 18cm / 5.5 * 3.5 * 7.1in
Package weight: 395g / 13.9oz
Package content:
1 * B3506 Bluetooth Headphones
1 * USB Charging Cable
1 * Multi Language User Manual
1 * Line-in Cable