Razer Adaro Wireless - Bluetooth Gaming Headphones

FEATURES Bluetooth 4.0 connectivity with aptX technology Custom-tuned 40mm dynamic drivers Comfortable, lightweight form factor Playback and volume controls Plush leatherette ear cushions CD-quality audio over Bluetooth Up to 20 hours of playback TECH SPECS Bluetooth v4.0 with aptX Technology Drivers: 40mm Neodymium Magnets Frequency Response: 20Hz – 20kHz Impedance: 32 Ω Sensitivity: 91dB ± 3dB Max Input: 50mW Operating distance: 10m Playtime: Up to 20hrs Standby Time: Up to 300hrs Charging time: 2.5hrs Charging cable: 0.8m Micro-USB to USB charging cable Approximate Weight: 197g