Compact and stylish wireless earphones, Bluetooth V5.0 compatible. - Model Name: SLUB-Q66 TWS - Colors: Black/Gray - Brand: SLUB - Connectivity: Wireless - Bluetooth Version: V5.0 Thank you for viewing. Issue with battery level indicator The battery level is not displayed. I believe the remaining battery level of the earphones can be checked on the connected smartphone, etc. These have only been charged once and tested for connection. All accessories are included. Please consider this when purchasing.