Note:There may be an external sound,please pay attention to the protection of personal privacy.

From a professional point of view, it is not a leak, it is the second sound, So we developed the fourth generation of technology, we use this technology to reduce the leakage of 70%.

Bone conduction bluetooth headphones sunglasses feartures:

1. Security

a. Ear can easily listen to music when you hear the sound of traffic around, guarantee travel safety;

b. Hands free. Bluetooth links, easy to operate, can receive wireless calls on the glasses.

2. Health

A Sound passed through directly to the auditory nerve bones, will not cause damage to the ear canal and eardrum, to maximize the protection of hearing;

B So that the ear canal is more refreshing, not easy to breed bacteria, does not cause itching ears or ear disease;

C.According to their own needs optional lenses in various environments are guaranteed to get the best vision protection

D.Our default comes with normal lens???you can buy the suitable Myopic lens to exchange

3. Comfort

Ergonomic design, comfortable and secure

This glasses could connect 2 smartphone at the same time

Specification

Bluetooth: Bluetooth 4.1,Support A2DP,APTX

Bluetooth Distance: 10m

Battery: 250mAh

Charge Time: 2Hour

Charge Voltage: AC 110V/220V,50/60Hz, DC 5V, Max 1A

Charge Port: Micro-USB

Waterproof: IP67

Standby Time: 10 Days

Music Play Time: 3-4Hours

Conversation Time: 4-5Hours

Microphone Sensitivity:-40±3dB

Speaker Sensitivity:102±3dB

Package Content:

1x Bone conduction glass

1x USB cable for charging

2x Transparent resin lens Model

1x English User Manual

1x Anti skid raised nose pad

Product Features

• 【CAN BE USED WITH PRESCRIPTION LENSES】: The lens can be changed very easily. If you need myopic lenses, you need to go to a professional optical shop. And we provide free transparent lens mold for Myopia&Older.
• 【OPEN EAR DESIGNE】: ar can easily listen to music when you hear the sound of traffic around, guarantee travel safety
• 【HIGH PERFORMANCE】: Rechargeable lithium battery (250mAh/3.8V), Charging time:2hours, Standby time:300hours, playing music about 3-4 hours (depending on the volume and sound source varies), continuous call about 4-5 hours. Bone conduction bluetooth headset sunglasses compatible with Smartphones Iphone LG HTC Samsung Android Windows.
• 【BONE CONDUCTION TECHNOLOGY】:Bone conduction glasses are mechanical vibrations that convert sound into different frequencies, many steps of sound wave propagation are omitted,and it doesn’t affect other people because the sound waves diffuse in the air,only the wearer can hear. Sound passed through directly to the auditory nerve bones, will not cause damage to the ear canal and eardrum. Compared with other boneconduction eyewear, this device’s sound leakage has been reduced by 60%.
• 【NOTE】：Because of the limits of bone conduction technology, there is a sound leakage of the bone conduction products. And the sound quality has little difference with the traditional headphones.