Specification: Product Name: Bluetooth 5.0 earphone;  Model: B73732;  Color: Black, White;  Material:  ABS (Acrylonitrile Butadiene Styrene);  Voltage: DC 5V 1A;  Charging Time: 2 hours;  Music Time: 4 hours;  Talk Time: 4 hours;  Standby Time: 100 hours;  Earphone Battery Capacity 50mAh;  Charging Box Capacity: 500mAh;  Waterproof: IPX5;  Effective Distance: 10m/32.8ft;  Earphone Size: 20*15*10mm / 0.8*0.6*0.4inch;  Charging Box Size: 80*60*30mm / 3.1x2.4x1.2inch;     Features: 1. With TWS big capacity charging case, put in and charge immediately;  2. Support language switching, caller voice report;  3. Support power display for Android and iphone/ipad/ipod;  4. Automatic switch connection, continuous press to change songs up and down, listen to the phone in both ears;  5. Boot into the automatic connection to the last paired phone, more convenient;  6. Intelligent compatibility, support all Bluetooth mobile phone, tablet, notebook, etc;  7. 360° surround stereo sound, highly restored original sound;  8. Bluetooth 5.0, stable connection;  9. 20mm compact body for easy hiding;     Package Include: 2 x Bluetooth earphone;  2 x Ear hook;  6 x Earmuffs;  1 x Charging case;  1 x USB charging cable;  1 x User manual