Waterproof Bluetooth single-ear headset that can be used with peace of mind even if you sweat at the work site or if it suddenly rains. Compatible with telework and Zoom meetings. ● This headset is equipped with IPX4 waterproof function, so you can use it even if you sweat or if it suddenly rains. ● Since it has ear pieces that do not cover the ear, you can hear outside sounds and use it safely. ● This headset has an integrated ear hook that allows you to switch between the right and left ears without removing and replacing the ear hook. ● The power can be easily turned ON/OFF with a slide switch. ● When you turn on the power, it automatically enters pairing mode, so even beginners can smoothly pair with devices. ● It comes with a port cover to prevent water from entering the charging port. ● You can also control the volume, skip tracks, and go back to tracks. ■ Set contents: Product body, instruction manual (warranty), USB charging cable ■ Transmission method: GFSK ■ Supported codecs: SBC ■ Multipoint: Supported ■ SCMS-T: Not supported ■ Compliance standards: Bluetooth 5.2 ■ Frequency range: 2.402～2.480GHz ■ Communication distance: 10m Class 2 ■ Supported profiles: HFP, A2DP, AVRCP ■ Power supply: Lithium polymer battery ■ Charging time: 2 hours ■ Maximum continuous playback time: 12.5 hours ■ Maximum continuous talk time: 8.5 hours ■ Maximum continuous standby time: 130 hours ■ Waterproof standard: IPX4 ■ Playback frequency band: 20～20,000Hz ■ Microphone sensitivity: -44±2dB, f=1KHZ ■ Microphone directivity: Omnidirectional ■ Charging port: microUSB ■ Connection method: Bluetooth ■ Compatible models: Compatible with Bluetooth devices with Bluetooth 5.0 or lower Bluetooth built-in smartphones, iPads/iPhones, computers, etc. * This product has been used 3 times. * Comes with a proof of purchase.