IMPACT MB Pro 1 UC ML 1000565 Features: Enjoy premium audio for natural-sounding conversations Benefit from seamless connectivity Freedom to talk for hours Discover easy call handling Convenient charger stand Specifications: Technical Data Standby time 456 hours Charge time 2 hours 30 minutes Operating Temperature Range 50°F - 104°F Storage Temperature Range -4°F - 140°F Range (line of sight) 82 ft. Technology 4.0, HSP 1.2, HFP 1.6, A2DP 1.2 Packaging Accessories included ChargingStand, BTDongle Package weight (incl. Complete product and packaging) 16 oz. Dimensions of product packaging (L x W x H) 8.07 in. x 3.35 in. x 6.69 in. Dimensions of master carton (L x W x H) 20.08 in. x 7.87 in. x 19.88 in. Units in distributor master carton 10 Features ActiveGard Yes Multimedia & Music Listening Yes Voice Prompts Yes Certification Microsoft Teams Dimensions Weight 2 oz. General Data Wearing Style Headband Color Black Headset Weight 2 oz. Article no. 1000565 EAN Code 5714708003663 UPC Code 840064403665 Ear coupling On ear Transducer principle Dynamic open Compatibility Desk phone, Tablet, Mobile phone, PC / Soft phone Long Term-Reliability Warranty 2 years