•Adopt advanced Bluetooth-compatible 5.3 chip, stable and fast connection •Designed with colorful LED light, cool and beautiful •Designed with a rope loop for easy carrying •With 1500mAh large capacity battery, with long use time •With TF/U-disk playback and FM/TWS/AUX function Specification: •Model: TG-663 •Bluetooth-compatible specification: V5.3 •Audio noise ratio: ≥95db •Wireless transmission range: 10M •Battery capacity: 1500mAh •Built-in voltage: 3.7V •Playing time: about 2H (varies depending on audio content and volume) •Speaker size: 52mm*2 •Speaker power: 4Ω/8W*2 •Frequency response: 120Hz-18KHz •Size: 99*99*201mm •Weight: about 632g •Charging input: 5V/1000mA Package included: •1 x Bluetooth-compatible Speaker •1 x Charging Cable •1 x English and Chinese User Manual