Model:525; Connection:Bluetooth 5.1; Activity:Cycling,Trekking,Jogging,Fitness,Running,Traveling,Camping / Hiking; Type:Ear Hook; General Use:for Mobile Phone; Communication:Wireless; Standby Time:400; Item Type:True Wireless Headphones TWS Earbuds; Features:Long Battery Life,ENC Environmental Noise Cancellation,Waterproof; Listing Date:11/12/2022; Music Time:40; Charging Box Capacity:500