Type: Single wireless Bluetooth earbud (for one ear). Primary Use: Designed for safe voice calls while driving or working. Design: Lightweight, comes with a flexible behind-the-ear clip to ensure it doesn't fall off. Connectivity: Bluetooth technology, compatible with all types of mobile phones (Android and iPhone) and computers. Sound: Built-in microphone with excellent sound clarity, focused on delivering voice tone clearly in calls. Charging: Charges via USB cable and is economical in battery consumption.