Please note: Red, Blue, Gold, Black, Grey Support the TF card. Yellow, White, Green, Purple don't support the TF card.

RED = White top, Red bottom

BLUE = White top, Blue bottom

GOLD = Gold top, black bottom

BLACK = Black top, Red bottom

GREY = Grey top, Black bottom

Bluetooth headphone Features:

Bluetooth standard: Bluetooth 3.0+ EDR

Bluetooth communication range: Line without blocking state, more than 10 meters (mobile phones and other devices of different types and the environment will affect the distance).

Power supply: Built-in lithium battery

Music playback time: connect mobile phones to play 5~8 hours

Charging time: 3 hours (charging voltage 5v)