Whisper is Vibe-Tribe"s answer to the modern mobility needs, created to satisfy even the most demanding users. Through a winning combination of flexibility and top level comfort and reliability, Whisper gives you the perfect way to use your bluetooth devices in any circumstance. PRODUCT FEATURES • Dimensions, weight: 58x20x10 mm, 8 gr • Bluetooth 4.0 profiles A2DP 1.2, HFP 1.6, HSP 1.2, AVRCP 1.4 (for Absolute Volume Controls); wireless range10mt • Proximity pairing - allows you to associate with simplicity Whisper to Bluetooth devices • Multiple connection with two Bluetooth devices at the same time • Integrated Push to talk and Voice Feedback functions • Lithium Polymer battery for 5 hours of continuous use or 120 hours standby • Adaptive DSP: digital signal processing for the reduction of environmental noise • Indicator of remaining battery directly on the screen of iOS devices