These Bone Conduction Sunglasses use a cooling technology called bone conduction to transmit audio to your brain. Bone conduction is a way of sound conduction which transfers sound waves through the cranium, bony labyrinth, inner ear lymph fluid, auditory nerve, auditory center. We can hear sound using bone conduction every day.

Features: 

• Wireless phone calls, wireless music touch control, Siri voice control, hands-free safe driving communication on the road
• Polarized lenses provide good protection and a clear vision for your eyes
• Bone Conduction speaker transmits sound waves to the skull via vibrations. This lets you hear external sound when listening to music
• Sound passed through directly to the auditory nerve bones, will not cause damage to the ear canal and eardrum. This device's sound leakage has been reduced by 60%
• Bone conduction glasses are mechanical vibrations that convert sound into different frequencies, many steps of sound wave propagation are omitted, and it doesn't disturb other people because the sound waves diffuse in the air.

Specifications: 

• Chip: CSR8635
• Music Time: 8 hours
• Charging Time: 2 hours
• Bluetooth Version: V4.0
• Color: Black, Blue, Red
• Charging Input: DC 5V Max 1A
• Transmission Distance: 10m-15m
• Frequency Range: 2.4GHz
• Sensitivity: 86±3dB 
• Battery: Built-in 250mAh Li-ion polymer rechargeable battery
  

Package Includes: 

• 1 x Bone Conduction Sunglasses
• 1 x Storage Box
• 1 x USB Charging Cable 
• 1 x User Manual 
• 1 x Mute Earplug
• 1 x Polarized lens testing card 
• 1 x Cleaning Cloth

All orders are shipped within 24 to 48 hours of you placing the order using DHL eCommerce, USPS or whatever the local courier service is in your location. Typical delivery time frame is between 7 to 12 business days to Europe, USA, Canada & New Zealand, although it can take up to 21 days if there are delays! However, you may receive your items much earlier than expected.

All orders are shipped with a tracking number so you can track it every step of the way! From time to time, there may be some delays beyond our control such as customs or postal delays.

If you have any issues at all with your order then you can return the item back to us or exchange it for something else if it doesn't meet your standards.

We want you to know that there is absolutely no risk in buying something on our store and your payment is always protected with us. If you don't like it, then simply let us know so that we can resolve things.

We have 24/7 email support so please contact us if you need assistance.