The Buds 4 supports quick charging, allowing for up to 2.5 hours of playtime after 10 minutes of charging. The battery life of the earbuds is 6 hours, and it can be increased to 30 hours with the charging case.
The launch of ZEB- Rocket 500 is a multipurpose device with great features and aesthetics that also appeals to fans of The Joker and Black Adam, according to Zebronics' commentary on the occasion.