1:2.4G stereo wireless earbuds 2: with Mic 3:suitable for TV.MP3/4/5,Iphone.telephone 3: ... two kinds emitter for choose MAIN FEATURE 1: with Mic, realize wireless communication2: two kinds of emitter, mini and multifunctional style3 ... %2.0discharge time8hours ±10%2.1Working VoltageDC 3.5~4.2V2.2Working Current35~40mA2.3Charging Time≈1 hour Modeling diversity and foldable 2.4G wireless ...