Bluetooth version: Bluetooth 5.0 Transmission distance: outdoor straight line distance 10-15 meters Battery capacity: polymer lithium battery Function: fast charging, HD call Listening to music time: 2.5 hours Up and down music / pause playback Call time: 2 hours Standby time: 130 hours- New pop up animation connect for IOS (Open the lid need to take out the Earbuds) - Android smartphone open the lid to search bluetooth name to pairing - Binaural call, whatsapp 50030794
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