Ear hook and ear sleeves are suitable for ADAPT Presence UC/UC ML and Presence Business. The ear sleeves are also suitable for Presence Grey variants. The ear hook doesn't fit with Presence Grey variants. Please see EH 20 for a suitable ear hook. Technical Specifications General Data Packaging Long Term-Reliability General Data Article no. 1000676 EAN Code 5714708004776 UPC Code 840064404778 Packaging Package weight (incl. Complete product and packaging) 0 oz. Dimensions of product packaging (L x W x H) 3.94 in. x 0.79 in. x 3.15 in. Dimensions of master carton (L x W x H) 17.52 in. x 7.48 in. x 7.87 in. Units in distributor master carton 200 Long Term-Reliability Warranty 2 years