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Remote control functions may vary depending on the model of your 
device and application. Sound track instructions do not respond to iOS 
devices. Since devices with Bluetooth wireless technology communicate 
using radio waves, they do not need to be in direct line-of-sight. 
Bluetooth devices must, however, be within 10 meters (33 feet) of each 
other, although the connection may be subject to interference from 
obstructions such as walls or from other electronic devices.
Product and safety information
       Important: Read these simple guidelines. Not following them may 
be dangerous or against local laws and regulations. For further info, 
read the complete user guide.
For your safety
Switch off in restricted areas
Switch the device off when a Bluetooth headset use is not allowed 
or when it may cause interference or danger, for example, in 
aircraft, in hospitals or near medical equipment, fuel, chemicals, 
or blasting areas. Obey all instructions in restricted areas.
Interference
All wireless devices may be susceptible to interference, which 
could affect performance.
Batteries, chargers, and other accessories
Use only batteries, chargers, and other accessories approved by 
HMD Global Oy for use with this device. Do not connect 
incompatible products.
Protect your hearing
To prevent possible hearing damage, do not listen at high volume 
levels for long periods.
- Frequency Band: 2402 MHz - 2480 MHz
- Maximum Radio Frequency Power: -6~+4dBm