SPECIFICATION - True Wireless Stereo & Bluetooth 5.0 : Deliver extraordinary Hi-Fi sound with low latency. - Auto Paring & On-ear Control: User-friendly touch button on each side supports play/pause and handling phone calls easily. - Long Battery Life: 3 hours working time per charge for the earbuds, 18 hours playtime with charging case. - Comfotable Fit: Ultra-light weight and 3 sized earplugs provide wonderful wearing experience. TOUCH CONTROL TIPS - Play/Pause Music: Double click - Switch Music: Long press for 2s - Answer/End Call: Double click - Refuse Coming Call: Long press for 2s - Voice Assistant: Triple Click - Manual Pairing: Long press for 4s - Reset Factory Settings: Triple click, and long press for the third click IMPORTANT NOTE - This bluetooth earphone supports only sweatproof, not waterproof - The language of system warning tone is English - There might be slight current sound when the earbuds are pairing, and it will disappear after connecting successfully. It is normal and does not affect its performance. - For microphone function, it depends on which earphone is taken out first, then only working in that earphone, and another earphone cannot use microphone. PRODUCT PARAMETER - Bluetooth Chip: PAU1603 - Supported Decoding Mode: SBC/AAC - Charging Case Size: 56*39.7*29.8mm - Earphone Size: 24*14.5*23.1mm LED INDICATOR LIGHT For Earphones: - Charging: indicator lights red - Charged: red indicator turns off - Low Battery: indicator flashes red For Charging Case: - Charging: indicator lights red - Charged: red indicator turns off and turns to lights blue - Low Battery: indicator flashes red PACKAGE LIST - Bluetooth earphone x 1 set - Charging case x 1 - 0.25m micro USB charging cable x 1 - Ear tips x 3 sizes Powerful Bluetooth 5.0 Lower power consumption and more stable connection Portable Touch Control Seamless Pairing Auto re-connection once taking out the earphones Connection Guide 18H Battery Life ·3 hours each full charge ·18 hours with charging case Hi-Fi Stereo Sound Immersive yourself in the music world Comfortable Fit Convenient Voice Assistant Triple click to activate your personal assistant Product Specification Package Display CONNECTION GUIDE First Pairing Step 1. Take out earphones, enter the pairing state automatically Step 2. Refresh bluetooth device on your phone, find "Ugreen-80311E" and match it How to connect two mobile phones at the same time ? Step 1. Take out one of earphones(A), press long(about 4s) to enter matching state(White and orange lights flash alternately), then double click, now white light flashes Step 2. Take out another earphone(B), press long(about 4s) to enter matching state(White and orange lights flash alternately), then connect earphone B to phone Step 3. Take previous earphone(A) and double click to enter matching state(White and orange lights flash alternately), then connect earphone A to another phone