Features: This is built-in DSP sound card effect device, including special effects, voice change, tone change and other multi-functional sound card.  DSP dual-core noise reduction chip, universal for mobile phone and computer. Compatible with most live streaming and singing APPs on the market.  8 sound effects, including male voice, female voice, electronic music, monster, child's voice, KTV, concert and game. Voice changing features are really fun.  5 live streaming/chatting special effects (laugh, kiss, noise, applause, drum), the receiving party can hear the corresponding atmosphere effect. With 28pcs alter sound.  Wireless BT Accompaniment: The sound card can be used to connect to an external mobile phone accompaniment, can monitor the live scene of the unaccompanied mobile phone.  Can be applied for listening, singing, singing practice, and small video production, support phone/computer live streaming, TikTok/ games livestreaming.  Other Functions: Fine-tuning for changing voice; Delay&Echo function; Light spectrum function; One-key noise reduction function; Cancel original voice function; One-key do-dge function.   Specifications: Model: SK5 upgraded version;  Color: Black with orange;  Main Frequency: Dual core DSP;  Dynamic Range: 106dB;  SNR: 106dB;  Charging Input: DC 5V / 1A;  Battery Capacity: 600mAh;  Mobile Phone Connecting Interface: 3.5mm;  Earphone Jack: 3.5mm;  Charging Port: USB micro;  Item Size: 7.2 * 5.5 * 1.1cm / 2.8 * 2.2 * 0.4inch;  Item Weight: 42g / 1.5oz;  Package Size: 13.5 * 9.3 * 4.8cm / 5.3 * 3.7 * 1.9inch;  Package Weight: 131g / 4.6oz;   Packing List: 1 * Sound Card;  1 * USB Cable;  1 * Audio Cable;  1 * Tether