Operating frequency 2.4GHZ-2.480MHZ. Compliant with Bluetooth V5.0 standards. Support music, continuously playing music for 12 hours (actual testing time). Call support: supports calls, comes with a microphone, and can talk continuously for 4 hours. Support for voice: Support for voice number reporting, support for Chinese and English (other languages can be customized). Wireless connection range: 10 meters. Emission power: Glass2. Supports Headset&Handsfree profiles. The earphones have a built-in rechargeable lithium battery of 200mAH. Headphone talk time: 6 hours standby time: 150 hours The weight is only 50g, suitable for long-term wear without fatigue
