Features 1、BT accompany, stable and no wire connection trouble. 2、Multiple interesting mode and personal sound. 3、8 interesting modes, meets your different needs. 4、6 adjustable button, finely adjust the volume of the sound. 5、Double DSP noise control chip, no current noise, free of debugging. 6、Plug and play, simple and time-saving. 7、Built-in large capacity rechargeable cell, energy saving. 8、Professional reverb, improve sound quality. 9、Phone and laptop universal type sound adapter. Specifications: The sound adapter is conveneint to to carry, plug and play, simple and time-saving. Built-in large capacity rechargeable cell, long time use with low energy consumption, energy saving. Professional reverb, multiple sound effects one-key switch, pure sound quality, independent adjustment. Features: BT accompany, stable and no wire connection trouble. Multiple interesting mode and personal sound. 8 interesting modes, meets your different needs. 6 adjustable button, finely adjust the volume of the sound. Double DSP noise control chip, no current noise, free of debugging. Plug and play, simple and time-saving. Built-in large capacity rechargeable cell, energy saving. Professional reverb, improve sound quality. Phone and laptop universal type sound adapter. Specifications: Model: V8S Material: Metal Color: Black Charge Port: USB Pattern: 10 Installation Way: Extraposition Audio Interface: 3.5mm / 0.14in Voltage: 220V BT Version: 4.1 Socket: Dual Microphone Support Function: Eliminate The Sound Of Songs Tuning: Rotary Knob + Button + Push Rod Sampling Number: 46Bit Cell: 1 * Lithium-Ion Rechargeable Cell, 3.7V 1500mAh (included) Package Weight: 500g / 17.64ounces Package Size: 146 * 108 * 47mm / 5.75 * 4.25 * 1.85in Note: The cable is color random. Packing List: 1 * Sound Adapter 1 * USB Cable 2 * 3.5mm Audio Cable 1 * Instruction Book Package List 1 * Sound Adapter 1 * USB Cable 2 * 3.5mm Audio Cable 1 * Instruction Book