Description: Signal-To-Noise Ratio: ≥60db Built-In Battery Capacity: 1200mah-2000mah Frequency Response Range: 60hz-15khz Input Voltage: 220V size:19.7 x 12.1 x 4.2cm Material: ABS colour: As shown Package Contents: 1 x Sound Card, 1 x Live Cable, 1 x Accompaniment Cable, 1 x Charging Cable , 1 x English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 4. Treble/Bass Adjustment, High-Pitched Sweet And Low-Pitched, Knob Adjustment, You Can Adjust The Sound In Detail To Achieve The Effect You Want. 2.Magic Tones, Fine-Tuning, Fun Tones Are Adaptable, You Can Fine-Tune The Knobs To Make The Sound Close To The Effect You Want. 5.6 Major Live Broadcast Modes, 6 Scene Modes Correspond To Various Live Broadcast Occasions, Making Your Live Broadcast More Professional And Easy To Deal With. 3.Intelligent Noise Reduction, With A Of Hybrid Noise Reduction Chip, Al Intelligent Algorithm, Effectively Suppress The Background Noise And Noise Of The Environment. Features: 1.One-Click Smart , Of The Background Music Will Be Automatically Lowered When The Anchor Speaks.