Wireless Earbuds Bluetooth in-Ear Headphones 3D HI-FI Sound with Mic Charging Case Compatible iPhone Samsung Android

How to pairing? 1. Long press the multi-function of two earbuds at the same time?until the earbuds flashes the red and green?then release. 2. Waiting for a few seconds?the earphone will automatically paired?at this time?only the main earbud(R) flashes red and green. 3. Open the bluetooth of your cellphones,search"TWS-18R",then connect it.(Voice prompt) If you have any questions, please contact us immediately. We are always here. Specification: Bluetooth Version: 4.2 Operating Range: 33 feet (10m) Battery Capacity: Charging Case:300 mAh, Single Earbuds: 50 mAh Charging Time: 1 hour Music Time: 3 hours(twins),6 hours (single) Talking Time: about 6 hours(only right ear support) Standby time:300 hours Charging voltage:DC 5V Package include: 2 x Wireless Bluetooth Earbuds 1 x Micro USB Charging Cable 1 x Charging Case 3 x Ear Caps(S,M,L) 1 x User Manual