modelK10 Wearing a way:In-ear wear Standby time:15h Bluetooth version:5.3 Use your time:4h Charging time:1-2h Charge warehouse capacity:200mAh The headset capacity:45mAh Transmission distance:10m Specifications: 1.2022 upgrade HiFi nondestructive sound quality 2.Automatic startup matching rapid seconds The headset fromthcharging moduleAutomaticdrive motor matcng, automatie back to the phone. 3.Smart noise reduction bluetooth headset. 4.Bluetooth headset For better true wirelessbluetooth headset doesnot provide craftsmanship. 5.Bluetooth headset Open cover Pick up the box Single/double ear mode switching, arbitrary picked up a can l listen.left and right ear is the host, for the first time after the connection. 6.Bluetooth headset Master-slave switch Single and double ear follow with -Double host chip, about headphones with take in, free at listening. moverment is not limited. Package Included: 1 * Bluetooth headset 1 * Charging pile 1 * USB cable 1 * User Manual