Harper HB-522, Инструкция по эксплуатации

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6. Charging Time: 1-1.5 hours to charge Earbuds; 2
hours to charge the Charging Case
7. Earbud Size: 23*21*20 mm;
Charging Case Size: 68*68*30mm
8. Earbud Weight: 4.2 g/PC
9. Battery Capacity: (Li-Poly battery inside)
Earbuds: 3.7 V/40mAh;
Charging Case: 3.7 V/500mAh
SAFETY PRECAUTIONS:
The Earbuds are excellent quality, in order to increase
service life, please make sure of the following
instructions:
1. Please keep the device away from extreme heat,
humidity, or corrosive environments.
2. Please prevent the device from being struck or
dropping, warping, soaking, etc.
3. Please don’t dismantle the Earbuds or Charging
Case.