i12 TWS Bluetooth Earphone with Charging Box 1. Bluetooth V5.0+EDR chip, ultra-low power consumption, faster transmission speed and longer distance. 2. Real wireless connection, left and right ear channel separation, HIFI sound. 3. Touch, you can answer the phone, adjust the volume reduce the volume, the previous next song, turn on off, wake up Siri and other functions. 4. Both the left and right ears have full Bluetooth function and can be used alone or in pairs. 5. Remove the headset and the headset will automatically pair up. The headset is placed in the charging box to enter the charging mode, and the headset automatically shuts down. 6. The charging base battery capacity is 300mAh, the headphone battery capacity is 30mAh, and the charging stand can charge the earphone about 4 times. The music time is about 2-3 hours, the talk time is about 4 hours, and the standby time is about 6 hours. 7. LED indicator, IOS system displays the power, helping you to keep abreast of the battery status. 8. Small size and portable. Parameter: 1. Bluetooth version: Bluetooth V5.0+EDR 2. Supporting agreement: A2DP 1.3HFP 1.6HSP 1.2AVRCP 1.6D 11.3 3. Bluetooth band: 2.4GHz 4. Bluetooth transmission distance: 10-15m 5. Charging box charging voltage: 5V 6. Headphone charging time: 70 minutes 7. Charging box charging time: 1 hour Packing list: Wireless headset (pair) x 1 Charging box x 1 8 Pin charging cable x 1 Instruction manual x 1