Description:Name: Wireless EarbudsBluetooth-compatible version: V5.1;Noise reduction version: CVC8.0;Working distance: within 10 meters connection;Single ear capacity: 50 mA;Loading capacity: 2000mAh;Auto boot: Support;Automatic coupling: bracket;Battery life: A total of about 220 hours (with the charging case);Talk time: approximately 180 hours in total (with the charging case);Earphone charging: about 40 times;Magnetic function: magnetic and charging;Input current charging case: 5V 1A;Control mode: touch operation;Packing list:2 x earphones1 x charging case1 x USB cable1 x manual1 x packing boxNote: There may be color difference due to different computers or smartphones, please forgive me!