1. Class-D digital multimedia AMP speaker 2. USB power supply, built-in lithium battery 3. 3.5mm plug 4. fantasic gift box

We, Ko-Star, are committed to designing and producing high quality and stylish headphones.

By more than 10 years manufacturing experience, we have organized a professional designer/engineer team for the whole production line, as well as effective and successful QC system from mould to speaker.

Music is Sans Frontieres.

Specification

output power :RMS 3W THD=10%

Frequency response : 150-1800Hz (+/-3dB )

SNR :>+80dB

Speaker :1.77 inch ( diameter 45mm) magnetically shielded ,4 ohm

Save/Download :USB data cable download , no external card reader ,

Power input : USB power adapter cable or AC adapter 5V/1000mA

CERTIFICATION

USB portable speaker Mini Speaker mobile speaker