Charging port USB Type-C, Audio codec SBC / AAC, Driver 13 mm dynamic, Calling ENC (Environment Noise Cancellation Technology), Charging box Charging box: 44.1*40.5*25mm, Color Ceramic White / Rock Red / Cosmic Black, Battery Life “AirBuds U: Up to 5 hours of listening time with a single charge Up to 4 hours of talk time with a singel charge AirBuds U with charging box: Up to 24 hours of listening time Up to 20 hours of talk time”, Brand model UMIDIGI Airbuds U, Weight about 30g, Sweat and Water Resistant Sweat and Water Resistant: IPX5 (earphones), bluetooth version BT 5.1, Charging time 2 hours, Effective bluetooth range 10m (open space without obstacles), Earphones 35.43*20.38*16.91mm, Frequency response range 10 Hz – 10 kHz.
Aliexpress
There’re some similar (or not) items on Aliexpress You can use link bot to get even lower price:
Price history (for all/most countries) for UMIDIGI AirBuds U Bluetooth 5.1 Earphones ENC is here. The lowest price was: $15.99.
Price records source(s): Banggood Click on image to enlarge. You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).