Low end TWS earbud from a fairly reputable brand.
Specification:
Bluetooth Bluetooth V5.0
Support A2DP, AVRCP, HFP, HSP
Range: 10m
Battery life: 6h (earbud) +18h (battery box)
DC 5V 50mA (earbud)
DC 5V 350mA (battery box)
Dynamic range: 20Hz-20KHz
Sensitivity: 95dB
Product description in Chinese here (try Google Translate):
https://www.edifier.com/cn/zh/earphones/X3
I have had so many issues buying from Alliepxress lately. From buying poor quality products (albeit with good ratings) to products not even arriving. Thinking of cutting them out of my shopping repertoire. Absolute nightmare.