Up to 12 hours battery life check_circle Great for working wirelessly Bluetooth, up to 30m Connect to up to 2 devices The Evolve 65 is a wireless headset with an integrated busylight and dual connectivity to two Bluetooth® devices to enhance your productivity and freedom around the office. Features a wireless range of up to 30m away from your smartphone and/or PC.Engineered for multitasking, the Evolve 65 is a wireless headset ideal for professionals who move around the office, but need to avoid interruptions. Connects to two Bluetooth products, includes an integrated busylight and is certified for Skype for Business, Cisco and more. Performance Certification Regulatory Approvals: CE, FCC ID, IC ID KCC, RCM, NCC, TELEC, SRRC. Industrial Certifications: Microsoft Teams, Avaya, Cisco and more Device compatibility PC, Mac, Mobile device, Tablet, Deskphone, Softphone On/off switch Yes Auto-connect Yes Music playback Yes HD voice Yes Adjustable headband Yes Housing material Aluminium Optimi