This well-engineered Hifi Tube audio system delivers good sound quality. The high-quality system supports different types of audio connection. The stylish system goes well with modern room decors. Main features and description: 2.0ch Bluetooth/MP3 micro system. Fully compatible with WMA / MP3 files. Bluetooth streaming function. Bluetooth version: V3.0 + EDR. Bluetooth profile: A2DP, AVRCP. Bluetooth operating range: up to 10 meters. USB reader in front panel. Prefect handled Silver Aluminum Casing RCA audio output. Solution:6N1 Tube Output power: 20W x 2, total 40W, RMS 10% THD. Unit size: 265x250x220mm.