Product Features:1. Stylish and simple appearance.2. Bluetooth 5.0 version has no delay, low power consumption and stable signal3. Small size, light weight, can be carried with you4. Support all Bluetooth-enabled devices and mobile phones.Instructions:1. Turn on the left and right ears at the same time, and both earphones are automatically paired2. Automatically shut down when charging in the charging compartment3. Answer the call: tap the left/right channel once4. Hang up the call: tap the left/right channel once5. Reject the call: long press the left/right channel for 2 seconds6. Pause the song: tap the left/right channel once7. Up and down song: 3 taps on the left/right channel8 Adjust the volume: tap the left/right channel twice9. Call Siri: Long press the left/right channel for 3 seconds(On the charger, press the headset once to charge, then press the headset again to not charge, the headset will be manually turned on and paired successfully, the window will pop up)packing list:J18 Bluetooth headset*2 (left and right)Charging compartment*1Charging cable*1Manual *1Note : 1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. 2. Due to manual measurement, please allow 1-3cm measurement deviation. (1 inch = 2.54 cm)