Razer Hammerhead BT Gaming Headset

At a glance Bluetooth wireless range : 10 m / 30 ft Battery life : Up to 8 hours* Charge time : Up to 2 hours Drivers: 10 mm with Neodymium magnets Cable length: 63 cm / 2.07 ft. * May vary dependent on usage amp; device Headphones Frequency response: 20 Hz - 20kHz Impedance: 32 15% Sensitivity: 116 3 dB @ 1 kHz Max input Power: 10mW Drivers: 10 mm with Neodymium magnets Cable length: 63 cm / 2.07 ft. Approximate Weight: 0.06 lbs (28.0 g) Microphone Frequency response: 300 Hz 3.4 kHz Signal-to-noise ratio: 55 dB Sensitivity (@1 kHz): 42 3 dB Pick-up pattern: Omnidirectional Music Controls: Play/pause, next, back General: Volume, pair, power Battery Battery type : 160 mAH rechargeable Li-Po battery Battery life : Up to 8 hours* Charge time : Up to 2 hours * May vary dependent on usage amp; device Range Bluetooth wireless range : 10 m / 30 ft