Bluetooth headset for businessmen. It provides good quality, uninterrupted sound and enables conversations. Comfortable operation with one hand! The earphone connects to the device via Bluetooth technology, so it plays high-quality, clear sound without connecting a cable. Compact size and lightweight construction allow you to listen to music for hours without feeling uncomfortable. High capacity battery ensures several hours of work. Displays the battery level on Apple and some Android devices so that the user knows how much battery is left after pairing with the device. Specification: Bluetooth version: V4.1 CSR Charging voltage: DC 5V Charging time: 2.5h Connection / music time: 15h Standby time: 340h Battery capacity: 170 mAh Size: 61 × 16 × 21 mm Weight: 11g