Features:
This headphone is equipped with a Bluetooth 4.1 version chipset, can transmit up to 33ft range without obstacles.
High definition stereo provides exact and natural sound.
This is not only a wireless headset, with its included audio cable connect to iPhone 6/6S, Samsung S5/S6, LG, etc.
Free control: multifunctional keys allow you to power on/off, answer/hang up/reject/redial call, pause and play, VOL +/-, next/previous track.
Lightweight stylish design with adjustable headband and leatherette ear cushion fits all heads shape, foldable design for easy storage.

Specifications:
Model: B3506
Color: black & orange
Bluetooth version: 4.1
Speaker diameter: 40mm
Microphone unit: 4 x 1.5mm
Speaker impedance: 32ohm
S.P.L.: 106dB S.P.L. at 1 KHz
Frequency response: 20Hz-20,000Hz
Battery capacity: 400mAh
Battery type: Lithium battery
Charging time: 3hours
Talk/music time: more than 8hours
Standby time: 180hours
Transmission distance: 10m/33ft without obstacles
Operating voltage: 3.7V
Charging voltage: DC4.7V-6V
Line-in cable length: Approx. 1.2m / 3.28ft
Dimensions: 19 x 19.5 x 7.5cm / 7.5" x 7.7" x 3.0"(L x W x H)

Please note: Its included audio cable is equipped with a Play/Pause/Answer/Hang up calls button and an IP/NK 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.

Package includes:
1 x B3506 Bluetooth Headphones
1 x USB Charging Cable
1 x English User Manual
1 x Audio CableXCSOURCE