1. Perfect fit for Fitbit Charge 3 4 Smart Bracelet.
2. Output short circuit protection, Overvoltage and overload filtration protection.
3. Good anti-interference performance.
4. Compact and Portable design, great for travelers and business users.
2. Output short circuit protection, Overvoltage and overload filtration protection.
3. Good anti-interference performance.
4. Compact and Portable design, great for travelers and business users.