Brand JBL Colour Black Ear placement In Ear Form factor True Wireless Impedance 16 Ohms About this item JBL Pure Bass sound (10mm dynamic drivers): Whether you're listening to your favorite playlist, watching a movie, or playing a game, JBL Spatial Sound transforms the stereo sound from any source or device into a more immersive sound experience. Adaptive Noise Cancelling: tune out noises entirely or just let in as much of the outside world you want. Ambient Aware adapts how much of the outside world you want to hear, while TalkThru lets you talk with those around you while keeping your earbuds in 6 mics for perfect calls and customized call experience: Environmental noise cancellation and echo suppression algorithms capture every nuance of your voice without any noise or distortion, even if you're outside on a windy day. Up to 48 hours total playback: Enjoy up to 10 hours of playtime, plus another three full charges (30 hours) in the charging case with ANC on, or up to 12 hours plus 36 hours with ANC off. JBL headphones app: Adjust the Adaptive Noise Cancelling level, tweak your ambient sound control settings, create a Relax playlist to help you chill out, check your best fit, or find your earbuds. Use it to keep your headphones updated & much more!