Bluetooth version: ~5.1 (depending on source)

Connection range: ~ 10 meters wireless range

Earbud battery capacity: ~ 30‑50 mAh each

Charging case capacity: from around 2000 mAh (some sources) down to ~300‑800 mAh in others; big variation depending on model/offer.

Play time (buds alone): ~ 4‑5 hours on a single charge

Standby / total usage time with charging case: varies—some offer ~20‑22 hours, others much more if case is large.

Waterproof / sweat‑resistance: often advertised as IPX4 or IPX7 in some versions. Controls: touch controls for play/pause, calls, etc. Automatic pairing when taken out of the case. LED / digital display on case in many versions to show battery level.