Features: 100% brand new and high quality The sound card supports multiple scene modes and multiple sound effects. It add fun to the sound. Built-in upgraded version of bluetooth-compatible module, fully support mobile -phone and the other digital products with bluetooth-compatible. 12 Kinds of Atmosphere Sound Effects: large knob design to adjust the reverberation plus and minus pusher design adjustment to avoid addition and subtraction, corresponding to different scenes one-key switch, live broadcast more professional. Five metaphone modes(male female,female to male,dolls,magic sound,girl)is suitable for the game's audio effects,such as voice changer; According to the singing mode can switch back to the original sound. Package Includes: 1x Sound Card 1x Charging Cable 1x Manual Specifications: Material: Metal Color:Black Interface: OTG; Charge USB; Phone1/2/3; AUX In; Headphone; Headset; Support Device: Smart Phone, Computer note: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!