-2.1 Hi-Fi audio The SPK-798 guarantees high-level audio in every situation with 2.1 channel via Bluetooth, which perfectly reproduce all the subtleties of the high and medium frequencies, while the woofer deliver a depth and dynamic feel to the bass frequencies. -Enjoy all music sources The SPK-798 transfers all music from any A2DP music player including cellphone, iPod, MP3, MP4, Laptop, PC and other music players. Or any device with a Bluetooth Dongle. Besides, The SPK-798 also accepts all analogue audio devices connected to the Line in jack (CD players, tuners, etc. ) and automatically detects the music source. -Never miss calls even Rock and Roll anywhere Music will be paused and the SPK-798 will alert you that there is an incoming call. Answering calls and ending calls are easy with touch sensitive controls. Music will be continued automatically after calls. -50W amplifier The 2.1 channel 50W Class-AB amplifier controls the three drivers independently, ensuring that audio output is available at all times for high-level listening quality, which produces an unrivalled level of precision without any background noise through digital technology. -2.1 Bluetooth Stereo Hi-Fi Speaker -Three drivers: Two wideband, one woofer -High-performance bass-reflex audio system -2.1 Class-AB amplifier -3rd generation speakers -Power output: 50W -Frequency range: 35 Hz - 20 KHz -Touch-sensitive buttons user interface -Settings: Pairing, Volume, Pause, Calling -Bluetooth source: Bluetooth A2DP or AVRCP music player, Or music player equipped with a Bluetooth audio DONGLE. -line-in jack -Bluetooth -Bluetooth V2.0 -Profiles supported: HFP, A2DP and AVRCP -Operation radius: Up to 10 meters -Pin code: 0000 -Other features-Size: 432mm (length) X 173mm (width) X 167.8mm (height) -Net Weight: About 5.5Kg net -Housing: 12mm thick wooden cabinet -AC Power: 100 - 240 V / 50 Hz & 60 Hz 0.5A - Maximum energy consumption: 50 Wat