MARLEY's on-ear wireless headphones play music wirelessly for 10 hours and can be connected to iOS as well as Android devices. The new built-in 50mm drivers provide a clear sound with deep bass no matter if you are listening to hip-hop, rock or classical music. The tangle free cable with its integrated microphone and the 1 Button Remote is completely recyclable as well. In addition, the headphones are easy to fold and are therefore ideal for on the go. The headphones are charged via USB via a socket on the left ear cup. A complete charge cycle of the lithium polymer battery takes 3.5 hours. Further properties: Bluetooth 4.2 Standard Transmission range: 10 m Frequency range 20Hz - 20'000Hz Controls on the right earhook. There are three buttons for volume control, start / skip / pause functions and answering calls. Noise-isolating inline 1-button microphone on cable Integrated microphone.