Answer or reject calls by using your voice Spoken setup instructions, caller ID and battery level NFC technology for easy pairing Dual microphone technology for exceptional call quality Wear it all day with the ergonomically-designed Eargels&trade Lightweight power2go portable charging stone Stream music, podcasts or GPS directions Up to 10 hours talk time, 2 in headset and 8 in charging stoneTechnical DetailsWireless: Bluetooth: 3.0 / Operating range: 10m / A2DP, Hands Free Profile (v1.6), Headset profile (v1.2), PBAP / NFCSpeaker: 10mm dynamic speakerMicrophones: 2 omni-directional (Noise Blackout&trade) / Mute function: NoPaired devices: Up to 8, two connected at the same time (MultiUse&trade)Charging: USB / Charging Time: approx. 3 hoursBattery: Talk Time: Up to 10 hours / Standby Time: Up to 15 daysWeight: 33 gDimensions: 58 x 50.7 x 24.7 mmIn the BoxJabra STONE3 Bluetooth HeadsetUSB CableAC ChargerExtra EarGels