OEBUAFI Finger Counter

1. [SMART COUNTER RING] Convenient digital counting on your finger 2. [ CONNECTIVITY] Sync data to your smartphone with 5.1 3. [EASY OPERATION] Simply click the button to count 4. [FAST CHARGING] Use adapter, power bank, or computer to charge 5. [IDEAL GIFT] Perfect for friends who need a reminder Spec: Item Type: Smart Counter Ring Material: Aluminium alloy Size: Approx. 18mm/0.71in Battery: 40mAh lithium battery (built in) Matching System: For 5.1, for 10.0 or later Screen: 0.49 inch, 72x40 Organic Light Emitting Diode Charging Port: for Pogo Pin Sensor: Vibrating motor packing list: 1 Counter Ring 1 x Manual 1 x Charging Cable