What's in the box:

Bone Conduction Headphones Open-Ear Wireless Bone Conduction BT Headphones for Sport Fitness Driving Bicycling (Standard)

Features:
Bone Conduction Headphones- Bone conduction headphones work by cunducting the sound thought the bones instead of ear canal to hear music. The sound vibrations go ,by bone, straight to the inner ear,you can hear sounds in close distances.
Open Ear Headphones- Open-ear design delivers music through your cheekbones, ensuring your ears remain completely open to ambient sounds, help you stay alert to your surroundings, avoid danger and meanwhile enjoy music.
One size fits all- These headphones are not adjustable. The band loops behind the head, close to the neck, so the size accommodates most customers. Please check the refund policy when purchasing in case you find they're too small and need to return them.
BT Connectivity- The wireless headphones with the latest BT 5.0 connectivity and convenient multipoint pairing compatible with your iOS and Android BT-ready smartphones, tablets.33 FT wireless connection distance to ensure high fidelity stereo sound quality and stable performance.
Friendly Services- If you have other question,please connect us in time,we will give you satisfactory reply.

Specifications:
Color: Black
BT Version: 5.0
Toggle up and down: support
Switch the volume: support
The charging time: about 1.5 hours
Listening music: about 8 hours
Support language: English
Working radius: 10-15ms
Talking time: about 10 hours
Electric capacity: 145mA
Weight: 85g

Packing List:
1Wireless Headphones
1USB Cable
1User Manual