Effective distance: 10 meters

Audio input: Bluetooth / U-Disk / TF Card / AUX

Output power: 3W

Voice prompt: smart English tips

Charging voltage: DC 5V

Hands-free calls: Bluetooth hands-free calls

Frequency response: 60Hz-20Hz

Product Features: Colorful LED Light

Power supply: built-in battery

Power capacity: 350MAH