Plantronics BackBeat 903+ Stereo Bluetooth Headset: * Rich, stereo music streamed wirelessly * Dual-microphone AudioIQ2 technology for clear calls * One-touch controls for answering and ending calls easily * iPhone battery meter to monitor headset battery level on-screen * Enhanced voice alerts for added hands-free convenience * Earpiece adjusts three ways for secure fit * Designed and constructed with ruggedized materials for an active lifestyle * Quickly fold and store in protective carry pouch (included) * Compatible with iPhone, Blackberry and Android-based smartphones and Bluetooth MP3 players