Razer Adaro Wireless Bluetooth Headphones Featuring the advanced Bluetooth 4.0 standard with aptX technology, the Razer Adaro Wireless easily connects to your Bluetooth audio devices, providing pristine CD-quality audio for up to 20 hours. Packing high performance, custom-tuned 40mm neodymium magnet drivers, the Razer Adaro Wireless delivers crisp, natural sounding acoustics for an amazing audio experience. With its brilliant Razer Adaro sound, wireless portability and comfortable form factor, the Razer Adaro Wireless are the perfect headphones for cord-free music enjoyment on the go. Connectivity Technology: Wireless