1、OTG digital sound card, lossless sound quality, simple operation, plug and play. 2、Wireless Bluetooth connection input accompany, get rid of multi‑line shackles, wireless connection more stable. 3、One key intelligent sound change, high definition sound quality, no longer constrained by sound line to challenge all kinds of style sound effects(male sound, female sound, baby sound, strange sound) 4、Professional electronic sound adjustment, 12 steps electronic sound keynote, adjust suitable for own sound, in electronic sound mode of different sound changes, playing method more rich, more strong experience. 5、Live warm‑up special effects(clap, laughter, crows, etc), one key warm‑up, can easily control whole scene in all kinds of circumstances, suitable for a variety of live occasion. 6、Built‑in real‑time monitor listening earphone, listen to own good voice freely, real‑time adjustment monitoring without delay. 7、Built-in 1000mah large capacity lithium battery, lasting endurance, continuous live broadcast. 8、Applicable to a variety of occasion, indoor and outdoor live broadcast not limited. 9、Suitable for mobile phones/laptops/desktop computers/tablets PC and other devices, simultaneously compatible for IOS/Android/Windows and other operating systems. 1 x Sound Card1 x Data Cable2 x Audio Cable1 x Manual  Condition: 100% Brand NewItem Type: Wireless Bluetooth Live Sound CardMaterial: Aluminium Alloy, GlassColor: As Pictures ShownConnection：Wireless Bluetooth, 3.5mm Audio Cable ConnectionInterface：USB-C(TYPE-C) x 1, 3.5mm Audio x 5Function Sound Effect：12 KindsBattery：1000mah Lithium BatterySuitable for Mobile Phones/Laptops/Desktop Computers/Tablets PC and Other Devices, Simultaneously Compatible for IOS/Android/Windows and Other Operating SystemsWeight: Approx. 298g