· JBL Pure Bass sound: JBL Vibe Buds 2 earbuds feature 8mm dynamic drivers that deliver exciting JBL Pure Bass sound.· Active Noise Cancelling:Listen to your surroundings & filter out distracting noise. Smart Ambient lets you control how much of the outside world you want to hear, so you can talk with others or stay aware of your surroundings while keeping your earbuds in· 4 mics for crisp, clear calls: Two mics on each earbud pick up and clearly transmit your voice while canceling out ambient noise. So you can make clear, crisp calls even when you're walking through a busy park on a breezy day.· 40 total hours of playback: Enjoy 10 hours of playtime, plus another three full charges (30Hrs) in the charging case.* Need to recharge even faster? 10 minutes on a USB type-C charging cable will give you another three hours of playtime. (*with ANC off)· JBL Headphones app: Select the EQ that fits your style or customize your own. Voice Prompts in multiple languages give you useful information (e.g.if battery is running low). Or chill out and recharge in Relax Mode by choosing one of five peaceful sounds.