The damage from mobile phones radiation is an invisible and cumulative process. Electromagnetic wave absorbed in body is difficult to be released. The more absorbed in body， the more easier to get brain cancer. So we went and invented a super cool air-tube headset that is free of metal wiring. It's a small， smart and ultra-safe headset that distances all electro-magnetic radiation from your cell phone， while maintaining a crisp rich sound. What you're about to read will give you a strong advantage over others. This product is not only easy because they look awesome they also have the added value of potentially saving lives. Nobody is going to give up their cell phone which today is their best friend. 

Features:
High Quality and creative Radiation Free Air Tube headphones.
Quadruplicity to protect your health: wireless Bluetooth + Metal shielded wire + air tube + No magnetic field radiation earplugs.
Earplug: made of medical silicone， non-toxic and harmless， soft， sound cavity eliminates permanent magnetic field equipped with rubber and fixing bar.
Air tube: good elasticity， patented technology reduces mobile phone radiation， producing perfect effect.
Anti-radiation acoustic concentrator: made of high-quality aluminum alloy， make tone quality more clear.
Bluetooth function: put mobile phone away from body， press the function key to start or end a hands-free call.
Metal shielded wire: HiFi， metal shielded wire isolates radiation from electro-magnetic wave to achieve perfect radiation-free effect.
Achieve 98% Radiation reduction， suitable for various people， like kids， pregnant women， etc.
Universal 3.5mm jack plug + Mic and answer/end call button.
Earbuds: Anti-Drop for Protection， comfortable wearing， suitable for doing exercises and long time use.
With Bluetooth， compatible with almost all Bluetooth supported devices.
With voice prompt function. 
Excellent deep clear sound.
Note: 
1. please keep radiation free earphone away from sharp tools to avoid damages and scratches. If the air tube is damaged， the earphone is damaged.
2. this headset is with radio function， please use stereo headphone when using this function.

HOW TO USE?
Long press the multi-functional button for about 2 seconds to turn on the Bluetooth Earphone; press the button continuously for about 6 seconds until red and blue lights flash alternately， then the Bluetooth Earphone is searching pairing Bluetooth devices and pairing with your Bluetooth devices.
After pairing with cell phone: long press the multi-functional button for about 3 seconds to redial.
When a coming call， press once the multi-functional button to answer a call， press once again to end a call， long press the Vol- button for about 3 seconds to refuse a call.
Switch over Bluetooth mode and radio mode: Long press the FM button(the previous one) for about 3 seconds until green light into radio mode. Operate that repeatedly into Bluetooth mode.
When the red light flashing， low power.

Specifications:
Brand Name: KangDao
Model Number: FS02
Bluetooth Version: V2.1+EDR
Bluetooth Transmission Range: up to 10m
Plug Material: Copper Alloy
Air Tube Material: PU
Earplug Material: ABS
Metal Shielded Wire Length: about 37cm
Air Tube Length: about 15.5cm
Speaker: Ф8MM aluminium alloy
Sensitivity Ratio: 122+/-3DB
Charging Time: about 3hrs
Talk Time: about 6hrs
Playing music Time: about 5hrs (medium volume)
Standby Time: about 180hrs
Color: Black
Package Weight: 199g / 7.0oz
Package Size: 17.9 * 11.4 * 3.6cm / 7.04 * 4.48 * 1.41in

Package List:
1 * Radiation Free Bluetooth Headset
1 * Pair Silicone Earplugs
1 * Power Adapter (AC 110-240V  DC 5V)
1 * Charging Cable