True wireless headphones is quite different from wired headphones. With it, you can use left or right headphones singly. Or both left and right headphones can be used in pairs wirelessly. Bluetooth 4.1 technology gives you wireless music and clear hands-free call. Work as a portable power bank, two hours are for fully charged when headphones put in the pocket-size power supply box.

Features:
[True Wireless Headphones]
True wireless headphones are much convenient than wired headphones. In single track mode, left or right headphone can be used singly. While in dual track mode, both left and right headphones can be used in pairs.
[Power Supply for Headphones]
Magnet charging with metal pin. Work as a portable power bank, two hours are for fully charged when headphones put in the pocket-size power supply box.
[Bluetooth Technology & Strong Compatibility]
Advanced Bluetooth 4.1 technology is perfectly paired with almost all Bluetooth-enabled mobile devices, such as for iPhone 7 7plus SE 6 6Plus, for Samsung Galaxy, Tablet PC, Laptop, etc.
[Multi-point Connection]
Capable of connecting with 2 phones at the same time. Never miss a call from home or business. Deep bass makes you lost in music world and hands-free call gives you clear conversation wearing true wireless headphones.
[Endurance Time & Compact Size]
Power supply box can provide about 5 times for full charging for headphones. Rechargeable 40 mAh battery provides up to 2 hours of working time per charge and 180 hours of standby time per charge. Small as coin, it weight about 6g which you can put it in your pocket.

Specification:
Bluetooth Version: 4.1
Bluetooth Chip: Airoha Chip
Impedance: 50 ohm
Sensitivity: 40+-3 Db
Frequency Response: 20hz-20Khz
About 5 times Full Charging for Headphones
Working Time: up to 2 hours per charge
Standby Time: up to 180 hours per charge

Accumulative Total Working Time: up to 12 hours

Battery Capacity: 40 mAh
Color: Black, White (Optional)
Headphone Size: Approx. 2.2 * 2.2 * 2cm / 0.87 * 0.87 * 0.79in
Headphone Weight: Approx. 6g / 0.21oz
Package Size: Approx. 11.3 * 6.8 * 4.2cm / 4.45 * 2.68 * 1.65in
Package Weight: Approx. 139g / 4.90oz

Package List:
1 * Pairs of True Wireless Headphones
2 * Pairs of Ear Buds
1 * Charging Cable
1 * Cloth Bag
1 * User Manual