Features: brand new and high quality Supply voltage: DC5V 2A. Output channel: two-channel stereo. Product Dimension: approx. 9.3x4.2cm/3.66x1.65inches. Can be directly connected to speakers, with power amplifier and decoding functions. Product name: 2x5W Dual Channel TF Card Player Power Amplifier Board Module Onboard Lithium Battery Holder. Specifications: Product name: TF card digital player Product Model: XH-A152 Chip Type: Class D Chip model: PAM8403 Supply voltage: DC5V 2A Standby current 8~16mA Output channel: two-channel stereo Output power: 2x5w (4Q2) Signal to noise ratio: 80% Installation size: 86x35.5mm Installation aperture: 4mm Material: PCB Color: As the Picture Shows Product Dimension: approx. 9.3x4.2cm/3.66x1.65inches Net Weight: 20g/0.04lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Small Power Tf Card Decoder Board