The difference between the first generation and the second generation of bose sharks

The difference between the first generation and the second generation of bose Shark:

Different appearance: The new Bose Shark headset is more compact and smaller than the old one in appearance design.

the advantages are different: weight of earplug boseQC noise-canceling earplug II: 6.24 GB OSE noise-canceling earplug: 8.5gbose Shark 2nd generation single earplug is lighter, and the charging box is more compact and portable.

meaning

bluetooth version boseQC noise-canceling earplug ii: 5.3 bose noise-canceling earplug: version 5.15.3 has lower power consumption, more stable connection and less loss of sound quality. Noise elimination function boseQC noise elimination earplug II: there are noise elimination and transparent modes, in addition to two custom modes. Bose noise-reducing earplugs: The factory version is switched from to 1 noise-reducing intensity, but it can be upgraded to the noise-reducing function of bose Shark II through firmware.