Talk Time: Up to 20 hours, Stand-by time: Up to 1000 hours (40 days), Charging time: 3 hours, Operating Range: Up to 10 meters, Music Streaming (A2DP), Multipoint, Full Duplex, Dedicated power switch * Full DSP Echo Cancellation/Double Noise Cancellation, Full Automatic Reconnection when you enter in the car, Digital Volume Control, Call Waiting, Easy Pairing, Compact Size * Reject Incoming Calls, Voice Recognition Dialing (if phone supports), Last Call Redial, Announces your smartphone GPS instructions, Compatible with all Bluetooth GPS, Can charge directly from PC via USB CABLE * Compatible with: Apple iPad, Apple iPad 2, Apple The New iPad, Apple iPhone, Apple iPhone 3G, Apple iPhone 3Gs, Apple iPhone 4, Apple iphone 4 CDMA, Apple iPhone 4S * Also Compatible with most Cell phones: BlackBerry, HTC, HP, LG, Sharp, Sony