Marcaron 

Chipset: JL6956D, Bluetooth 5.0 

Left & right earpods would automatic link, support Window Pop-up. 

Ear pod battery: 401012/3.7V-30mAh

Charing box battery 502030/3.7V-200mAh

Working distance: 10-15 meters

Music play time: about 3 hours at 80% volume.