Short circuit protection

Small size suits a wrist about 130mm - 180mm

Device Width: 50mm to 80mm

Velcro strap for easy adjustment

Apple Watch Series 6 40mm

EFM Car Chgr 3.4A Dual USB Rapid Charge W/Reverse Micro USB Cable - White iphone 8 plus Short circuit protectionGet faster, more efficient charging on the go with the EFM Dual USB 3. 4Amp Car Charger. This car charger allows you to charge multiple devices simultaneously through two DST enabled USB ports, which determine the power requirements of each device and optimise the power output to suit, resulting in the most efficient charging rate possible. This clever technology also stops the battery from overcharging, prolonging the life of the battery and the