Product Parameters :1. Product weight: 5-6g .(only earphones)2. Working time: about 2-3hours.3. Standby time: 480h4. Charging time: 1-1.5 hours.5. Single earphone battery capacity: 40mAh.6.Charger Box Betty: 210mAh.7. Wireless distance: 10m.8. Compatible mobile phones: headphones are compatible with Android, IOS, Microsoft, etc., 100% of mobile phones with Blue tooth.Support all mobile phones with Bluetooth function, tablet, notebook, sing, Q music, movies, etc.Functions and Features :1.3th similar size3.Open the lid, and take out the earbuds to connected ( pop up window).4.Smart touch control5.Could be used separately or together6.Bluetooth 5.0 and Binaural call7.Auto power on and power off8.Hifi stereo and 8D bass,9.Truely best sound quality and response time.10.Caller number, last code callback, full intelligent English tone prompts, power on, pairing, power off and off the phone, etc.11.Previous song, Next song.The newest pop up function will only work when connect with IOS 12.3 or above , please make sure that you have updated your IOS system .Package included:1 x Pair of wireless earphones1 x Charging Case1 x User Manual1 x Charging CablePlease Pay Attention:1.This is not the original product. Hope you understand, thanks