MP3 Hardware Decoder w/ Remote Controller/USB/SD Slot - Golden + Black (3.75V)
Model: 178 - Color: Golden + black - Built-in MP3 decoder module - Supports USB flash drive up to 4GB - Supports SD/MMC card up to 8GB - With memory function - Working voltage: 3.75V - Great for musical toys DIY project - Comes with remote controller (1 x CR2025 included)