About AMINY UFO Bluetooth Headset Wireless Bluetooth Earpiece
Excellent Immersive Sound Aminy Bluetooth earphones create a driver dome that maintains its rigidity. Built-In HD Microphone supports access to Siri or Google Assistant from Symbian or Android device. Two Batteries Each battery can support 8 hour talk time and take like 12 hours to full recharge. I wear a headset too close to your face, may block hidden microphone to pick up your voice, people can't hear the caller clearly. Charge separate lithium-ion battery only, there isn't a battery in the main engine, if you charge the main engine directly will damage its sensitive component.