1. Powered by USB interface, can be powered by common USB adapter, mobile power bank and other devices. The usage scenarios are flexible 2. Strong magnetic positive and negative suction heads, magnetic connection, convenient for insertion and removal 3. Equipped with status indicator light, the charging status is clear at a glance 4. Suitable battery models: all 3.7V - 4.2V lithium batteries (such as: 10400/14500/16340/18500/18650/21700/26650/26800/26800/401350A) 5. Input voltage: 5V - 7V 6. Output voltage: 4.2V 1200mA 7. Length of the cable: 60cm 8. Note: only the charger is included, no other items such as the batteries in the picture are included
