Redmi buds 3 lite : Communication range 10m (open space free of obstacles) Wireless connectio Bluetooth®5.2 Charging Port Type-C Earbud battery life Approx. 5 hours Earbud dimensions 24.5 x 16.7 x 24.6mm ,Single earbud net weigh Approx. 4.2g Charging case dimensions 60 x 46 x 23.7mm Charging case battery life , Approx. 18 hours Total weight with charging case Approx. 36g