Body Material: Aluminum, Headband Material: Foam, silicone, Earpad Material: Leatherette, Recommended Use: Portable electronics, computer - communication, Max Operating Distance: 98 ft, Bundled with: Charging stand, Headphones Form Factor: On-ear, Connectivity Technology: Wireless, Wireless Technology: Bluetooth, Bluetooth Audio Codec: SBC, Bluetooth Version: Bluetooth 4.0, Sound Output Mode: Mono, Max Input Power: 10 mW, Sensitivity: 93.6 dB, Cable Details: USB cable - detachable, Software Certification: Optimized for UC, Run Time (Up To): 12 hour(s), Standby Time: 15 days, Recharge Time: 2 hour(s).