They made it almost impossible to copy info directly from their site, so this is the short version, from Aliexpress
Brand Name: TEMPOTEC
DSD (Direct Stream Digital): Yes
Type:USB DAC& Amplifier
Body Material: Metal
Input Type: USB&PHONE
Model Number: Serenade iDSD
Recommended Headphone Maximum Impedance: 32-300 Ohm
Output Power: 75mW / 600 ohms
Built-in Battery: No
Output Type: HEADPHONE 3.5&6.3 ,RCA ,COAXIAL(PCONLY)
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