Experience continuous clear audio, completely untethered, with the Razer Hammerhead BT wireless in-ear headset. From custom-tuned 10 mm drivers, to an impressive battery life, and an iOS and Android compatible in-line remote with mic, you can take these durable in-ear earphones anywhere life takes you.UP TO 8 HOURS OF CONTINUOUS LISTENING ENJOYMENT ON A SINGLE CHARGEBoasting an amazing battery life of up to 8 hours, the Razer Hammerhead BT is made to deliver non-stop high performance. Now you can get through your day without any worries, from your morning commute to your evening lounges.CUSTOM TUNED 10 MM DRIVERS FOR UNMATCHED AUDIOCompared to the industry standard 6 mm, the Razer Hammerhead BT boasts drivers substantially larger for a louder and clearer audio experience. Each 10 mm dynamic driver is custom tuned to provide the sound signature that you love - from deep bass in electronic tracks clear to high notes in inspiring overtures.NECKBAND WITH MAGNETIC CLIP FOR SECURE FIT DURING ALL ACTIVITIESThe Razer Hammerhead BT comes in a stylish neckband design with a detachable magnetic clip that secures the headset to your shirt and takes the weight off your shoulders. Stay in the zone and in tune comfortably all day long.