Hoco ES40 Genial TWS wireless headset with mic

1. BT specification: BT V5.0 JL6936D. 2. Headset charging time is about 1 hour. Charging case charging time is about 2 hours. 3. Battery capacity: 50mAh (single headset), (charging case) 400mAh. 4. Calls / music time: 5 hours. Standby time: 200 hours. 5. Size: 78 * 78 * 46mm. Total weight: 109g. Single headset weight: 10g. 6. Support pop-up window for Apple phone, three true power display, master-slave switch, summon for Siri.