5, Safety power bank for emergency charge, 850mAh big battery can keep 100 hours working.
6, Built-in Mic/Handsfree call..it is very useful to make a phone call when driving.
7, True wireless, Connecting dual headset at the same time. Share the music with your friends.
8, All compatible, It can work well with Android phone and iPhone.
Bluetooth Profiles: HSP, HFP, A2DP and AVRCP
Transmission range: 10m
Material: aluminium alloy, plastic, silica gel
Certification: CE, FCC, ROHS,
Earphone battery: 45mAh—4 hours working time
Power bank battery: 850mAh—100 hours working time
Earphone size: 20mm*20mm*25mm
Overall body size: 20mm*20mm*100mm
Overall body weight: 48.3 grams, Earphone weight: 5.9 grams,
Bluetooth Pairing ( dual headset)
1. Turn on both the left and right headphone, and the two headset need about 1-3 seconds to make the automatic interconnection,(the red light flashes twice, then the blue light flashes once.
2. Press the right headset until the red and blue lights flash,then turn on the bluetooth of your phone, make the phone search the ""S2"" and click it to be paired,(if you make it pair with your phone successfully, you will see the blue lights flashes or you will hear the tone to tell you ""phone is paired""."