Peace be upon you, For sale: Open wireless earphones, Power Maxx brand, model PZ-209 (Free Clip2 version). Design: Open and comfortable for the ear (Open-Ear / Clip-On Design), suitable for long use. Bluetooth Version: V6.0 for fast and stable connection. Battery and Usage: Supports calls up to 6-8 hours, fast charging time (about 40 minutes), with a 350mAh charging case.