Pro Wireless Earphone is the latest version with upgraded functions and quality. It is easy to pair with any device. <b> Features: </b> - Built-in microphone support hands-free calls. - Compatible with most Bluetooth enabled smart devices. - Touch control - Waterproof <b> Specification: </b> - Bluetooth: 5.0 - Charging fully around 1hr. - Playing music for 2hrs. - 250mah capacity Packaging: OEM Box