Wireless Headphone, Model Name/Number: MH2

Model : mh-2 features : bluetooth function, sports earphone, handsfree bluetooth version : bluetooth v4.2 support : hfp/ connectivity type : wireless effective distance : 10 meters speaker driver : 40mm microphone : built-in input dc : 5v/450ma output power : rms 3w*2 battery : 400ma li-ion battery snr : s/n≥70db talk time : up to 3.5 hours music time : up to 4-7 hours charging time : about 2 hours standy time : about 90 hours rechargeable : usb micro charging cable package dimension: (l x w x h): 21 x 8.6 x 19.5 cm package weight: 0.472 kg