1. Bluetooth V5.3, supports hands-free calling
2. 3 unit drive sound, restore the live sound quality
3. IPX6 waterproof level
4. There are TF and Type-C interfaces and 3.5mm AUX input port on the back
5. TF card supports WAV/FLAC/APE/MP3 format music playback
6. Type-C interface supports DC 5V/1A input charging, intelligent identification of charging voltage
7. Support TWS to achieve wireless stereo function
8. Built-in 3.7V 4400mAh battery, ultra-long battery life
9. With a variety of RGB lighting effects
10. Compact body, portable lanyard, easy to carry

Product specifications:
Bluetooth protocol: V5.3
Effective distance: 15 meters
Frequency response range: 100Hz-20KHz
Signal-to-noise ratio: not less than 75dB
Extended storage: 64GB (not included)
Rated power: 40W
Battery capacity: 4400mAh
Play time: about 12 hours
Charging time: 3 hours
Charging voltage: 3.7V 2A
Product size: 101x101x122mm

Packing list:
Bluetooth speaker x 1
Charging cable x 1
Audio cable x 1
Chinese & English manual x 1