1. Bluetooth V5.0 JL AC6963 chip 2. Battery: 200mAh charging case 30mAh single ear 3. Talk/music time: about 2- 3h standby time 200h 4. Size: 53.8 * 44.3 * 21.4mm weight: 47g 5. Support pop-up window of Apple mobile phone， master-slave switching for independent hosts, three true power display, click operation , no headset indicator, i. 6. With charging cable