Smart charging technology identifies your devices and charges it at full speed. Rockwall 4 rapidly charges up to four devices simultaneously. Charges virtually any USB device including iPhones, iPads, smartphones, tablets, portable speakers, Bluetooth headphones, and wearables. Safe and fast charging. Smart battery design prevents overcharging, overheating, and damage to your devices. Rockwall 4 is 40 minutes faster than a regular charger for iPhone 6 Plus and 30 minutes faster than a regular charger for iPhone 6.
- Smart charging technology allows any device to be charged through any port at maximum speed
- Rapidly charge up to four devices simultaneously
- Total charge output: 3.4 amps
- Charge Apple and Android smartphones and tablets, as well as other USB devices such as e-readers, portable speakers, wireless headphones, and more
- Designed for safety: prevents overcharging and overheating devices
- Premium construction for durable and reliable operation