1. Tap the charging case power on switch2. Open the charging case and take off the earbuds,then eabuds auto-power on and pairing (important reminder:the condition of earbuds auto-power on is to turn on the switch of charging case)3. Pair with the device:1)turn on Bluetooth in the device2)search i12 and connect to i12 Specification:1. Driver: 15mm2. Impedance: 9 OHM3. Bluetooth version: Bluetooth 5.09. Charging time about 1-2 hours .10. Talk time is about 2-3 hours (a pair of earphones use together ),music time about 2-3 hours (a pair of earphones use together ) , Charging box can charge for the earphons about 3-5 times. Specification General - Model Number: inpods 12 Earphones type: Earphone Materials: Silicone,ABS,Metal Mainly Compatible with: SAMSUNG,HTC,Nokia,Blackberry,Samsung Note 5,Samsung Galaxy S6 Edge Plus,HTC One M9,LG,Sony Ericsson,Motorola,iPod,iPad,iPhone,Samsung S6,i - Phone 5/5S,i - Phone 6,i - Phone 6 Plus,i - Phone 6S Functions: Others,Support music,Phone call answering,Song switch Bluetooth Version: V5.0 Bluetooth protocol: A2DP,AVRCP,HSP,HFP