These Bluetooth V5.3 earbuds feature HSP, HFP, A2DP, and AVRCP support, with 30mAh earbuds and a 300mAh Type-C charging case. They provide 5 hours playback per charge, 25 hours total, fast 1.5-hour charging, durable ABS+PC build, 10m wireless range, and comfortable ergonomic design.