Razer Kraken BT Kitty Chroma Wireless Over Ear Headphones - Quartz - Drivers: 40mm Dynamic - Impedance: 32 Ohms - Sensitivity: 96dB/mW @1kHz - Frequency Response: 20Hz ~ 20kHz - Microphone: 2x Internal Omni-directional Beamforming - Mic Sensitivity: -38dBV/Pa @1kHz - Battery Life: 20 Hrs/50 Hrs (RGB On/Off) - Connectivity: Bluetooth 5.0 - Latency: 40ms - Materials: Plush Leatherette with Foam - Volume Control - Razer Chroma 16.8M Colour RGB Lighting - RZ04-03520100 - 2 Years Limited Warranty - Open Box

Manufacturer Warranty: 12 Months Limited Warranty

Manufacturer Contact Info: http://au.razerzone.com/, NA