Razer Hammerhead Bluetooth Earbuds

Razer Hammerhead BT. Connectivity technology: Wireless, Bluetooth. Wearing style: In-ear, Headset type: Binaural. Ear coupling: Intraaural, Headphone frequency: 20 - 20000 Hz, Headphone sensitivity: 116 dB, Impedance: 32 O, Driver unit: 1 cm, Magnet type: Neodymium. Volume control: Digital. Weight: 28 g. Colour of product: Black, Green