JVC Bluetooth Wireless Xtreme Xplosive Headphones offer superior bass sound. The AptX compatible headphones have 40mm drivers that deliver premium sound. The Extreme deep bass ports with one touch bass boost function means you will never miss a beat. They offer a tough housing protection and durable body construction. The 40 hours of listening time with integrated rechargeable battery means you will have plenty of time to enjoy your music or talk on the phone. The Quick charge feature provides 3 hours of playtime with just 10 minutes of charge so you will always be ready to go. The detachable headphone cable allows users to use the headphones without battery power.