NoiseAssassin 2.5 with wind reduction eliminates noise in all real world scenarios : Innovative speaker design and signal processing improves inbound audio clarity and volume : Set it and forget it audio eliminates the need to adjust volume from one caller to the next : Effortless to use with new sliding On/Off switch and one easy-to-operate button : Audio Tones whisper important information like battery life and caller ID in your ear : Simultaneous Multipoint means Jawbone Icon can switch seamlessly between two calls on different phones : MYTALK brings Jawbone Icon to life; personalize your experience online with an array of apps : Talk time - up to 4.5 hours (varies) : Standby time - more than 8 days : Range - at least 33 feet (10 meters) : Charge - 80% charge in 35 minutes, 100% charge in less than 1 hour : Weight - 9 grams (0.31 oz.) : Supports Multipoint - Pairs with up to 8 devices, 2 simultaneous connections : Supports Bluetooth - 2.1 + EDR, 2.0, 1.2, 1. 1