Q1: What is the actual battery life under continuous use?
A: The current 1500mAh battery provides an actual usage time of 3 to 3.5 hours.
Q2: Please confirm the battery type (e.g., lithium-ion, polymer)?
A: It is a rechargeable polymer lithium-ion battery.
Q3: Is the 1500mAh capacity real and tested? Are there any certifications?
A: The capacity is real and has undergone tests (rated performance, fast charging, temperature resistance, constant temperature operation, short circuit, overcharge, over-discharge, etc.). Certifications include the Marine Transport Condition Identification Report, MSDS, and UN38.3.
Q4: Can the screen brightness be adjusted?
A: Yes, it has 3 brightness levels you can adjust.
Q5: Does it support touch interaction or only display functions?
A: Currently, it does not support touch interaction and only supports display. Touch interaction will be added in future product iterations with chip upgrades.
Q6: What is the actual delay during transmission?
A: There is no delay.
Q7: Does the device support OTA firmware updates?
A: The chip solution used in the current finished products does not support OTA remote firmware updates, but other chips can be developed for this purpose in the future.
Q8: Will it overheat after long-term use?
A: It will generate some heat. The continuous use temperature ranges from 30°C to 45°C, and the charging temperature ranges from 45°C to 50°C.
Q9: Can the packaging be customized (color, logo)?
A: Yes, customization is available. Details will be discussed based on the order quantity.
Q10: Does this product have CE/FCC/RoHS certifications?
A: Yes, it has CE, FCC, RoHS, and UKCA certifications.
Q11: Is there a built-in speaker?
A: Yes, it has an 8-ohm 1W speaker.