Description: Adopt the most advanced Bluetooth 5. 0 technology Specific touch control function makes it more convenient, tap once to play/pause music and answer calls, double tap to skip forward/backward, hold to adjust the volume. You can easily control it without operating the phone. Pick up 2 headsets from charging box They will connect each other automatically, then only one step easily enter mobile phone Bluetooth setting to pair the earbuds. Voice control Noise reduction Support: voice assistant, IPX5 waterproof Specification: Bluetooth version : 5.0 Speaker diameter: about 13mm/0.51in Transmission distance: 15-18 meters Battery capacity: 40 mAh Luggage capacity: 400 mA Standby time: 1-2 months Talk/music playback time: 2-4 hours Charging time: 1-2 hours Interface: Type C Frequency: 2400.0-2483.5 MHz Packing size: about 100x100x36mm/3.94x3.94x1.42in Bare metal weight: only about 4g and two for about 8g Weight of charging compartment with earphones: about 42g Package weight: about 61g Box weight: about 113g Package Includes: 2x Mini Bluetooth earphone 1x Charging Box 1x USB Charging Cable 3 Pair of Earplugs ( S M L ) 1x User Manual Note: Connect for IOS device: 1. Open the case cover and open the Bluetooth device, the eject function will work. And you will see a prompt, please press the button on the back of the charging box. 2. long press the button (about 4 seconds), you will see the white indicator light flashing. The headset will automatically connect with the phone. Connect with Android or other devices: 1. Open the cover of the case and press the button (about 4 seconds) until the white indicator light of the charging box flashes. 2. Turn on the Bluetooth device and find the Bluetooth signal of the headset to be connected.