USB-C CABLE DONGLE · CS43131
JCALLY JM10
A USB-C cable dongle with a CS43131 DAC chip, a 3.5 mm output.

Numbers are the manufacturer's stated figures unless marked as measured; sources linked below.
Outputs and power
Not stated: gain, supply voltage, crosstalk.
Is it enough for your headphones?
JCALLY rates the JM10 at 31.25 mW into 32 Ω. Below is how much of that is left to spare for each kind of headphones when you listen loud, with peaks at 110 dB. A figure marked est. is worked out from that rating.
The device
From JCALLY's spec images unless markedThe page title, the manufacturer's list and the device print say JM10, while product details, images 1 and 7, and the spec table name the product JM10 PRO portable DAC headphone amp (original: JM10 PRO 便携解码耳放). The record uses JM10 as on the page title.
The JM10 is a small box with a Type-C socket that needs a separately sold OTG cable, not an integrated cable dongle; recorded as dongle (bus-powered USB DAC). Power source is not stated.