Features

-Single-channel portable speaker
-Suppports MicroSD card for mp3 playback 
-Powered by built-in lithium battery
-Quick-charging function

-Wireless option available

Technical Specs

-Built-in lithium battery voltage: 3.7V

-Lithium battery capacity: 400mAh
-Recharging voltage: 5V
-Horn specifications: 40m, 2.6Ω 3W

-Frequency response: 60Hz - 18KHz

-SNR ≥ 95dB
-Distortion degree ≤ 0.5%

-Size: 60x60x50mm