khoom

1) Compact lub cev: lub cev yog lub teeb thiabme me, yooj yim nqa, thiab tuaj yeem muab tso rau hauv hnab ris lossis pinned rau hauv siab kom tso ob txhais tes;

2)LCDzaub: real-time zaub ntawm cov pa concentration, intuitively nkag siab txog lub xeev, concentration thiab lwm yam ntaub ntawv ntawm lub ntsuas roj;

3)Yooj yimua haujlwmion: ib pob khawm tsim, yooj yim rau kev khiav lag luam, yooj yim thiab yooj yim;

4) Ntau hom tswb: qhov taw qhia lub teeb tswb, buzzer tswb, tso saib screen qhia lub tswb thiab vibration tswb;

5) Rechargeable lithium roj teeb: nws tuaj yeem ua haujlwm tsis tu ncua rau ntau tshaj 8h tom qab them nyiaj.