<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.lakini nikiitumia kwa battery yake tu, haipati joto kabisa na inakuwa silent ninaweza kuitumia hata masaa 2-3 bila kuzima.  <response>: i still use them exclusively tt though; its pretty painless and i can switch off for 3 to 4 hours. 