Fitbit Alta Charger, 3 Feet Vastar Replacement USB Charging Cable for Fitbit Alta Smart Fitness. Whoever got the code, please make the purchase asap, or the items will run out of stock. CRAFTY DESIGN : Its clip design makes it perfectly compatible with Fitbit Alta Tracker. PORTABLE CARRIED: It's light and portable, which is easy for you to carry. PREMIUM WIRE: Vastar cable is made of premium quality wire, which is much more durable than many cables at the market. PTC INSIDE: Voltage regulator inside the charger which can prevent your Fitbit Blaze from being damaged by overcurrent when Connected to USB Power Source.