* Built-in 18650 battery capacity: 1500mah
* Power supply voltage: 5 volts
* Output power: 1*10 W
* Horn: 2*57MM 4 Omega 8W External Magnetism
* Frequency response: 20hz-18Khz
* Bluetoot Solution: Section 5.2

Support Bluetoot 5.0 + Music Playing and Telephone + Self-timer
The volume can be controlled by keys.
Charging instructions,
Playable speakers for 90-120 minutes
Support TF card, U disk
Super bass
Audio Connection Wire and TYPE-C Power Wire in One
FM radio: 88-108