1、DSP CHIP: DSP chip constitutes the control system is a monolithic system, the various functions required can be achieved by the DSP chip. 2、DUAL ACTIVE UNITS: Wireless bluetooth subwoofer makes you immersive and doubly dynamic, with dual active units and low frequency radiation. 3、LOSSLESS TRANSMISSION: PC speaker supports wireless connection for cell phones, tablets and other devices, stable playback and lossless transmission. 4、WITH FULL RANGE OUTPUT: Wireless bluetooth speaker with full range output, as the host can be connected to any active speaker subwoofer. 5、ENHANCED BASS RANGE: Smart bluetooth speaker enhances the bass range, restore the live sound, the sound quality is more natural. Item Type: Smart Bluetooth Speaker Material: Synthetic Fiber Wood Output Power: 70W Input Mode: Bluetooth, U Disc, AUX Input Alto and Bass: 3 Inch Warhead Type Turbocharged Unit Treble Unit: 1 Inch Ti Film Soft Dome 25 Core Tweeter Remote Control Battery Specifications: 2 x AAA Batteries (Not Included) 1 x Smart Bluetooth Speaker 1 x Instruction Manual 1 x Charging Cable 1 x Adapter 1 x Sound Cable 1 x Remote Control