Bluetooth Headset Hands Free Universal Voice Dial Bulk Package Bluetooth compliance: Bluetooth version 1.2 specifications (forward and backward compatible) Compatibility: compatible with other Bluetooth devices with Bluetooth 1.1 (or higher) specifications and support the Bluetooth headset and/or hands-free audio profiles Operating range: Up to 3 meters (10ft). Talk time: Up to 6 hours. Stand-by time: Up to 130 hours Compact, small and lightweight design Pairing passkey or PIN: 1234