Features:
Unique around-the-neck design that's lightweight and comfortable for all-day use 
Exceptional audio with noise suppression and echo cancellation 
Convenient power slide switch 
Intuitive talk and music controls 
Up to 10 hours of talk time
  Specification:
1. Answer the phone and music play
2. Bluetooth version 4.0
3. Operating range: 10 meters
4. The frequency range: 2.4 G
5. Talk time: 6 to 7 hours
6. Standby time: 180 hours
7. Receiving sensitivity 8. Rechargeable batteries: 180 mah
9. Compatible with all kinds of bluetooth mobile phone,PDA, notebook computer, etc
10. Accessories: host, USB cable, manual
Standard package
1*headphone
1*USB charging line
1*user manual
4*Rubber earmuffs
warm service
1.How to use this headphone please reference the user manual.If you have any question and suggestion, Please feel free to contact our customer service,we will try our best to solve your problem.
2. If you need to know more products can enter our storefront, it provides more choices for you, hope to find a product that  your favorite.

• BETTER SOUND ∧ HIGH QUALITY: the greatest Bluetooth CSR 4.0 technology delivers superior audio perfectly transfer HD music even you are 10 meters 33 feet away from your device.
• CONVENIENT and LIGHTWEIGHT:The built-in magnet attracts the earplugs when you don't need them, greatly decreasing the burden on ears.Ultra light and durable silicone neckband, you'll even forget you have them on!
• COMFORTABLE DESIGN: Magnetic ear buds snap into place when not in use; music controls on neck strap.unique wearing style, memory alloy flexible neckband.
• DURABLE MUSIC TIME: Up to 10 hours Talk/ 7 hours music play time and 180 hours standby time with audible pairing assistant and battery status.In 10 meters away from your device.
• Advanced nanotechnology, prevent sweat corrosion your headphones.

BETTER SOUND ∧ HIGH QUALITY: the greatest Bluetooth CSR 4.0 technology delivers superior audio perfectly transfer HD music even you are 10 meters 33 feet away from your device.bst