Features: It has 6 sound modes and 12 sound effects, easy to swith according to your needs. Built-in DSP intelligent noise reduction chip, low power consumption, clear sound quality. Metal shell, wear-resistant, scrat-proof and anti-fingerprint, solid and durable. Equipped with mic, ECHO, treble, ba, record, music and monitor volume adjustment knob, independent control, convenient to use. Built-in 1200mAh lithium battery, long endurance time. Support BT connection, widely compatible with smartphone, tablets and laptops. Specification: Type: External sound card Model: V8 Color: Black Shell material: Metal Battery capacity: 1200mAh Item size: 13 * 10.5 * 4cm /5.12 * 4.13 * 1.57in Item weight: Approx. 230g /8.11oz Packing list: 1 * Sound card 2 * Audio cable 1 * Charging cable 1 * User manual