For you, the Choetech BH-T09 Wireless Headphones are the ideal choice. Not having to worry about tangled cables is made possible by Bluetooth connectivity. Long hours of use are guaranteed by the large battery, and if needed, the headphones can be charged by setting them in a box with a solar panel. The BH-T09 model The type of battery is lithium. The battery has a 55mAh/3.7V capacity. The headphones can be charged for up to 1.5 hours, and the case can be charged for up to 2 hours. 6–8 hours of use, depending on the volume and track type Standard Bluetooth 5.0 (2.402-2.480GHz) Support for A2DP, AVRCP, SPPP, HFP, and HSP protocols Range of operation: ≥15m Key characteristics: The headphones' ergonomic design Easy-to-use headphones stable connection for an extended period of time