Description: Razer Hammerhead Pro V2: The durable Razer Hammerhead Pro has gone from strength to strength. This new in-ear headphones are armed with extra-large 10 mm dynamic drivers,over 20% larger than its predecessor,for even better acoustic clarity and bass power than before. The new Razer Hammerhead Pro comes with three Quick Action Control buttons on the in-line microphone. The three ear tip sizes and optional bi-flange attachment give you superior sound isolation as well as customizable comfort wherever you are. Specification: *Brand:Razer *Frequency Range:20 Hz 20 KHz *Impedance: 32 15% *Sensitivity: 102 3 dB @ 1 kHz *Max input power: 5 mW *Frequency response: 5010,000 Hz *Signal-to-noise ratio: 55 dB *Drivers: 10 mm with Neodymium magnets *Cable length: 1.3M (4.27 ft.) *Connector: Analog 3.5mm Combo Jack *Approximate Weight: 0.04 lbs (19.6 g) *Music controls: Play / pause, next, back *Call controls: Answer, end, reject call *General: Volume, pair, power Feature: *10 mm extra-large dynamic drivers for stellar audio fidelity *All-new body design with flat-style cables for toughness on the go *In-line microphone with 3 Quick Action Control buttons for iOS and Android devices *Suitable for playing games, listening to music, doing sports and so on. *Comfortable to wear this earphone for a long time because it is lightweight and uses soft eartips. *It will not cause pain to your ears after long-time wearing because it is lightweight and uses soft eartips. Warranty: We offer you 2Years guarantee.