SK300 Live Sound Card External Voice Changer Audio Mixer Built-in Rechargeable Battery Multiple Sound Effects for Live Built-in dual-core DSP digital chip, the sound card can switch multiple scene modes arbitrarily and supports dual microphones, dual live broadcasts, dual headphones. It also supports one-key elimination of sound, one=key noise reduction, multiple groups of sound change fine-tuning and other functions. Very suitable for web live broadcast, mobile K song, music recording, etc. Features: MULTIPLE SOUND EFFECTS AND SCENE MODES: The sound card support various scene modes and multiple sound effects, can change your voice like that of child, male, female, etc., and adding more fun to the sound. LARGE BATTERY: Built-in 1200mAh large rechargeable battery, powering your entertainment time durably, avoiding frequent charging, eliminate your low battery anxiety. HIGH COMPATIBILITY: Universal USB interface for charging and for connecting to the computer, standard 3.5mm plugs for stable audio signal input and output. Compatible with mainstream phone and computer. WIRELESS CONNECTION: Wired and wireless connection are both available. Wired connection for smooth signal transmission and BT wireless connection for convenience. EASY OPERATION: Every single button is with clear markup for indicating particular function. Visual light indicator for showing working status. Adjusting knobs can satisfy fine-tuning. Specifications: Battery Capacity: 1200mAh Power Input: DC 5V 2A Power: 5W Recording: 16bit/48kHz, 90dB signal to noise ratio Replay: 16bit/48kHz, 100dB signal to noise ratio Signal to Noise Ratio: 106dB Item Size: 23.5 * 15.5 * 3cm / 9.3 * 6.1 * 1.2in Item Weight: 620g/ 1.4lbs Package List: 1 * Sound Card 1 * USB Cable 2 * Audio Cable 1 * Users Manual(English) _x000D_