* Can keep the tempreture of tea or coffee t at 50-60℃
* Easy to install, driver not needed
* Voltage: 2. 5W-5V DC,
* LED red light
* USB supply power, battery not needed
* 4 USB road HUB function, fast speed
* Dimension: 12. 3*9. 3*2. 3cm
* Weight: 135g
* Color grey and black

