1. Hi-Fi sound quality V5.0

2. Support Siri /two side calling

3.  Nice design

1.Bluetooth Chipset: Realtek  Chipset

2.Bluetooth Version: 5.0 +EDR

3.Material: ABS

4.Sperker: Imported aluminum composite membrane

5.Battery capacity: 55mAh(Earbud)/400mAh(Charging case)

6.Charging time: earbuds 1 hour, charging case 2 hours

7.Playing time：5 hours

8.Standby time: 100 hours

9.Operating distance: 10-15 meters