Wireless Bone Conduction Headphones - Open Ear Sports Headset w/ Mic

Why Bone Conduction Headphone? As The Headphones Sit On Your Cheek Bones, Your Ear Canal Is Left Open And Sound Waves Bypass The Eardrum. The Result Is A Revolutionary Way Of Listening To Music Which Still Allows You To Hear Ambient Sounds Around You, With No Loss Of Sound Quality And No Blocking Of Your Ear Canals. And Once You’ve Heard The Sound, You’ll Never Go Back To In-ear Headphone.

• Increase Situational Awareness: With Your Ears Left Open, This Bone Conduction Enables You To Immerse In The New Playlist While Hearing The External Sounds In Order To Decrease The Risk Of The Accidents. Besides, You Can Also Take A Call While Still Listening To Your Colleagues Or Friends. 
• Comfortable Fit: Since It Rests On Your Cheekbones, Your Ears And Ear Canals Won’t Be Involved At All, Saving You From All Of That Soreness And Pain. Additionally, This Type Of Headphones Was Designed To Fit Snugly Against Your Face, Meaning They’ll Stay Put When You Are Moving Around. The Wireless Design Also Means That You Don\'t Need To Deal With Pesky Wires. 
• Wireless 5.1 Technology: With Its Advanced Wireless 5.1 Connectivity, You Can Enjoy More Freedom As It Allows Up To 65ft Transmission Distance. Provide You With Faster And More Stable Connection, And High-fidelity Sound. 
• Ipx5 Waterproof: No Fear Of Sweat Or Dropping. Wear It At The Fitness Club. Enjoy The Rhythm Beat And Feel Your Heartbeat. 
• Clean: With This Bone Conduction Headphone, No Part Of The Apparatus Goes Inside Your Ears, Avoiding Ear Infections And Gross Ear Wax Build-up. It Will Keep Your Ears Healthier And Cleaner Than Ever Before!

Brand: Imountek
Product Type: Wireless Bone Conduction Headphone 
Color: Black 
Material: Abs
Pairing Name: Bl09
Wireless Version: V5.1
Frequency: 2.4ghz
Protocol Supported: A2dp1.3/hfp1.6/hsp1.2/avrcp1.6/d11.3
Wireless Transmission Distance: 20m/65.6ft 
Battery: 180mah Lithium Battery
Charging Time: About 2hrs
Playtime: About 12hrs
Standby Time: 90days
Input: Dc5v/1a
Impedance: 32ω Φ10mm
Sensitivity: -42db
Working Temperature: -10-50℃/14-122℉
Waterproof Rate: Ipx5
Cable Length: 26cm/10.2in
Headphone Size: 12x10x5.5cm/4.7x3.9x2.2in; Head Circumference: 21cm/8.27in
Headphone Weight: 15g/0.03lbs
Package Size:16*13*3cm/6.3*5.1*1.2in 
Package Weight:65g/0.1lbs"