1. Unique acoustic driver technology brings high quality deep bass sound performance
2. 4-Mics ANC for crystal clear voice&sound.
3. Smart in-ear automatic bluetooth pairing 
4. Waterproof IPx4, sport sweat-proof
5. Works with Siri & Google assistant
6. Low energy consumption, 8 hours long play time
7. Smar in-ear detection fit all day comfort
8. MC Sync Technology 2 masters
9. Use either bud as a mono headset
10.Instant automatic connection to device
11.10 meters bluetooth connection range
12.High fidelity sound quality