TG663 Speaker features:

-Bluetooth specification: V5.0

-Wireless transmission range: 10M

-Battery capacity: approximately 1500mAh

-Built-in voltage: 3.7V

-Playback time: approximately 2 hours( normal volume play)

-Horn specifications: φ 52mm

-Horn power: 8W*2

-Size: 99*99*201mm

-Charging: 5V/1000mA

warm reminder:

1、please don't use any fast charge ways, it will damage the speaker.

2. When you turn on the speaker, please adjust the volume first, then connect with cellphone.