1. LED display design, you can observe the gear position 2. Rotatable design, can be changed into different shapes 3. With a lanyard hole, easy to carry 4. Small size, lightweight design, more convenient to use 5. Material: environmental protection ABS + oil injection + stainless steel 6. Input: 5V/500mAh 7. Output: 3.7V/0.3A 8. Working power: 0.025W 9. Interface: TYPE-C 10. Battery capacity: 180mAh lithium battery 11. Charging time: 180 minutes 12. Use time: 2-3 days 13. Product size: 6.5 x 3.9 x 2.5 cm 14. Product net weight: 30 grams
Packing list: -Sleep instrument x 1 -Data cable x 1 -Instruction manual x 1