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Table Of Contents
Signal-to-noise ratio
Transmission mode
Automatic Frequency-Hopping Spread Spectrum
Carrier frequency
2.4GHz ISM BAND
Power Supply
output: DC 5V, 1A input : 100~240V
built-in 350mAh Li-ion Battery
Transmitter
Earphone
Frequency response
Distortion
≤1%
20 Hz – 20 KHz
≥70dB
Range
Up to 100 feet (without obstacles)
Working time
approx 7 hours
Charging time
3 hours
TECHNICAL SPECIFICATIONS
Part 3
Phenomena Causes Solutions
Earphone
can not be
charged
successfully
The transmitter is not
switched on.
The battery is not inserted into
the battery compartment in the
correct way resulting in the
battery contacts distorted.
Switch on the transmitter.
Replace with a new headset.(damage
due to misuse, not covered by warranty)
Put the battery in the battery charging
compartment of the base or change
another charging slot for recharging.
One of the charging slots is
defective.
Faulty USB adapter.
Please unplug the faulty USB adapter
and change another power source like
PC USB port, socket, different USB
charger (5V/500mA-2A).
Faulty USB charging cable Please try another USB charging cable.
20 21
SM-828D1/SM-828D2 SM-828D1/SM-828D2
LIMITED WARRANTY
Simolio offers a 12-month limited warranty for brand-new purchases from
authorized sellers and resellers. The 12 month warranty will cover defects in
manufacturing and product failure for a period of 12 months from the original
date of purchase. The warranty period is not extended if we repair or replace a
warranted product.
This warranty is provided at the discretion of Simolio Ltd. And does not cover
cosmetic damage or damage due to acts of nature, accident, misuse, abuse,
negligence, commercial use, or modification of or to any part of the product.
Accessories such as audio cables, power adapter and perishable items such as
ear tips and batteries are not covered under this warranty.
Please contact: support@simolio.com (for NA/AU) or support_uk@simolio.com
(for UK) and provide your Amazon order ID to register the warranty.
www.simolio.com
www.amazon.com/simolio
No sound
when using
by-pass
feature
Incorrect input/output
connection.
If you're using Optical cable to connect
the wireless transmitter to TV, please use
Optical cable to connect to the sound
system.
If you’re using the AUX/RCA cable to
connect the wireless transmitter to TV,
please use AUX/ RCA cable to connect
to sound system.