LDNIO CM21 Smart Bluetooth Headset 4.2A Auto-ID 3 USB Port Car Charger USB Phone Charger USB Power Adapter Mobile Phone Charger Smart Bluetooth standby time much longer: Easy contact with picking up for instant answer, putting back for immediate OFF Strong magnetism for easy and secure storage Automatic identification: Intelligent compatibility with digital products including mobile phones. Perfect combination of technology and art: Graceful appearance excellent material Smart indicator on the intelligent Bluetooth headset Positive aluminum shell and 3 USB charging ports for Apple/Android Output: DC5V 4.2A
