Touch TWS Bluetooth headset $ 0.00 Bluetooth version: Bluetooth 5.0 Charging compartment: 1500 mAh Headphone capacity: 50 mA Headphone full time: 1-2 hours Support mobile phone charging: support Talk time: 8-10 hours Listening time: 4-8 hours Transmission distance: about 10 meters Charging voltage: DC5V Charging time: 1 hour Wireless frequency: 2.4GHZ Working temperature: -10-50C