Product size:Front width 95mm Machine height 35mm Machine depth 115mm(About) Product weight:About 275g Machine power:Less than 5W Input interface:USB, Bluetooth, optical fiber, coaxial Output interface:Lotus output, 3.5 headphone Power supply mode:TYPE-C interface, no additional power supply is required when using a mobile phone charger 5V power supply to connect to the computer input signal-to-noise ratio: 127dB Distortion rate:0.0001% dynamic range::124dB Input sample rate:Optical fiber coaxial: 44.1-192KHZ DSD 64 Bluetooth/USB: 24bit/96k Bluetooth protocol:LDAC/-HD///AAC, etc. Color: Black Material: Metal Package Contents: 1 * decoder 1 * data cable 1 * antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.