I own a pair and they are amazing.
MMCX connection drivers. Can be detached and used with Bluetooth and True Wireless Bluetooth adapters as per your convenience.
The iBasso IT01 is an comfortable earphone that delivers a detailed, rich sound at a low price point. The iT01 earpieces are a lightweight 8.0g without the cable. Additionally they are ergonomically designed to fit securely in the ear. This makes the IT01 a good choice for music on the go. They come with a protective carrying case, a good selection of silicone and foam tips, and high quality copper detachable cables, which allow for replacement in case of damage. This good value package makes the IT01 one of the most popular earphones we sell.
In terms of sound the IT01 has slightly raised bass frequencies and high frequencies. This makes it a dynamic, enjoyable listen for many genres of music, particularly pop or electronic. Despite this emphasis the sound signature is still fairly balanced and airy. The IT01 delivers an exceptional sound at this price point
Looks like you can sign up for $10 off $100 spend, so maybe grab an $11 item for $1 with it