Safety Information
To ensure safe and accurate operation and how to dispose of the device
properly, please read all the safety information carefully before using
your device.
Operation, Safety, Usage Errors and Maintenance Repair
Rules
life, or cause fire, explosion, or other hazards.
3. Adapter1: U450XEB
Input: 100-240V~ 50/60Hz 1.8A
Output: 5.0V
3.0A 15.0W or 5.0-10.0V
45.0W MAX
Adapter2: U450XKB
Input: 100-240V~ 50/60Hz 1.8A
Output: 5.0V
3.0A 15.0W or 5.0-10.0V
1. Use headphones with care, as
excessive sound pressure on ears
may cause hearing loss.
2. An unrecognized or incompatible
power adapter, charger, or battery
may damage your device, shorten its
4.5A or 11.0V
4.5A or 11.0V
45.0W MAX
4. EUT Temperature: -10°C~+55°C(Standalone). 5°C~+40°C(with adapter).
5. Keep the device and the battery away from excessive heat and direct
sunlight. Do not place them on or in heating devices, such as microwave
ovens, stoves, or radiators.
6. The back cover can't be removed.
7. Do not replace, disassemble, modify, mechanically crush or cut the
battery, as it may cause battery leakage, overheating, explosion or fire.
8. Observe local laws and regulations when using the device. To reduce
the risk of an accident, do not use your wireless device while driving.
9. Only use the device according to the instructions supplied with the
device immediately before flying or in boarding. The use of wireless
devices in an aircraft may cause interference in wireless networks, may
be dangerous to the operation of the aircraft or may be illegal.
10. To avoid damage to parts or internal circuits of your device, do not
use the device in dusty, smoky, damp, or dirty environments, or near
magnetic fields.
11. When charging the device, make sure that the power adapter is
4.1A
plugged into a plug close to the devices and is easily accessible.
12. Unplug the charger from the electrical outlet and the device when
not in use.
13. Do not use, store, or transport the device in locations where
4.1A
02