Bluetooth business handset. It provides good quality, uninterrupted sound and up to 10 hours of operation. Extremely convenient when traveling by car. Comfortable one-handed operation. The earbud connects to your device via Bluetooth technology, so it reproduces high-quality, clear sound without a cable. The compact size and lightweight design allow you to listen to music for hours without feeling discomfort. The capacious battery provides extended operation up to 10 hours. Specification: Material: ABS Sizes: 71*26*16mm Weight: 10g Bluetooth: 5.0 Battery capacity: 170mAh Charging time: 1.5 hours Talk/music time: 10 hours Standby time: 200 hours