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  Use the apparatus in moderate climates. 
 
Do not disconnect the USB cable between device and PC during data 
transmission or formatting. Only remove it safely from the operating 
system. Otherwise, data may be corrupted or lost and malfunctions may 
occur.
 
 
 Disposal 
Do not dispose of a defective device (built-in rechargeable battery) with the 
household waste. To dispose of your used device, please use the return and 
collection systems available in your area or contact the retailer where the 
product was purchased. They can take this product for safe environmental 
recycling. 
Do not replace the rechargeable battery yourself. Please contact our customer 
service. 
 
Listening Cautions 
Hearing Safety 
Listen at a moderate volume: Using headphones at a high volume can impair 
your hearing. This product can produce sounds in decibel ranges that may 
cause hearing loss for a normal person, even for exposure less than a minute. 
The higher decibel ranges are offered for those that may have already 
experienced some hearing loss. Sound can be deceiving. over time your 
hearing ‘comfort level’ adapts to higher volumes of sound. So after prolonged 
listening, what sounds ‘normal’ can actually be loud and harmful to your 
hearing. To guard against this, set your volume to a safe level before your 
hearing adapts and leave it there. To establish a safe volume level: Set your 
volume control at a low setting. Slowly increase the sound until you can hear it 
comfortably and clearly, without distortion. Listen for reasonable periods of 
time: prolonged exposure to sound, even at normally ‘safe’ levels, can also 
cause hearing loss. Be sure to use your equipment reasonably and take 
appropriate breaks. Be sure to observe the following guidelines when using 
your headphones. Listen at reasonable volumes for reasonable periods of time. 
Be careful not to adjust the volume as your hearing adapts. Do not turn up the