Attention:<br />Please charge for two hours before use it，it just have one USB cable，it have no power plug!!!<br />Package Content:<br />- 1 x Fingertip Oximeter<br />- 1 x  Retail Box<br />- 1 x Cute Lanyard<br />- 1 x USB cable<br /> -1 x Built-in lithium battery<br />- 1 x English user manual<br />Feature:<br />1.Rechargeable lithium battery inserted with a convenient Tye-c interface<br />2.Funny bird body design<br />3.Finger touch bar mould fine-tuned based on a big data for more precise measurement<br />4.Finger touch bar made by skin-similar marerial<br />5.Be specialized to children under 12 years old<br />6.Bar graphic and wave graphic for SpO2，PR inside<br />7.One button boot，auto shut off in 8 seconds no operation<br />Technical Parameters<br />1.SpO2 range:70%~99%<br />Accuracy:80%~99% range ±2%，70%~79% range ±3%<br />2.PR range:30BPM~240BPM<br />Accuracy:±1BPM or observed value ±1%(Take the max)<br />3.Battery:lithium battery  Power:<30mA<br />End-use temperature:5°C~40°C Storage temperture:-10°C~40°C<br />4.Size:44*28.3*26.5mm Weight:20.0g(battery included)<br /><br />