Wireless Bone Conduction Headphones - Open Ear Sports Headset w/ Mic, IPX5 Sweatproof, MMC Card Supp

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. 
• 32 Gb Memory Card Supported: It Supports 32gb Memory Card(Not Included), Which Turns The Headphone Into A Mp3 And Helps Free Yourself From The Shackles Of The Phone During Exercise. 
• Wireless 5.1 Technology: With Its Advanced Wireless 5.1 Connectivity, You Can Enjoy More Freedom As It Allows Up To 65.6ft 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.

Brand: Imountek 
Product Type: Wireless Bone Conduction Headphone
Color: Black 
Material: Abs 
Pairing Name: Bl19
Wireless Version: V5.1
Frequency: 2.4ghz
Microphone Sensitivity: -42db
Wireless Transmission Distance: 20m/65.6ft 
Impedance: Φ16mm 32ω
Battery: 300mah Lithium Battery
Charging Time: About 2hrs 
Playtime: About 11hrs 
Standby Time: 200hrs 
Input: Dc5v 1a 
Waterproof Rate: Ipx5
Memory Card (Tf): 32gb Supported (Not Included) 
Working Temperature: -10-50℃/14-122℉
Cable Length: 31cm/12.2in 
Headphone Size: 10.5x13x6cm/4.13x5.11x2.36in 
Head Circumference: 20cm/7.87in 
Headphone Weight: 36g/0.08lbs 
Package Size: 15.6cm*14.5cm*2cm/6.14*5.7*0.79in 
Package Weight: 102g/0.22lbs"