BL151 TWS Lub Mloog Pob Ntseg

5.3 Bluetooth version, ruaj khov thiab tiv thaiv kev cuam tshuam,

tsim semi-hauv-pob ntseg, xis hnav thiab tsis pob ntseg-bulging.

Siv cov neeg hais lus uas muaj lub nplhaib tooj liab los kho lub suab kom zoo dua.

Kov kev hloov kho, suab paj nruag nce thiab nqis, teb cov lus hu, yooj yim rau kev khiav lag luam, sleek thiab mini, xis nyob tuav thiab yooj yim nqa.