:1. Easily connects to the same app.2. Built-in 0.49inch OLED display.3. Large-capacity battery supports 3 days of normal use.Specification:Battery capacity: 40mAHAppearance size: 20MM (0.79inch)/22MM (0.87inch)/18MM (0.71inch)Product weight: about 0gApplicable people: GeneralPacking List:1*1*charging box1*Instruction manual
Trustpilot
1 week ago
3 weeks ago
10K+ bought in past month
8K+ bought in past month