Verykool s4002 - Manual (Page 19)

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• Do not paint the device. Paint can clog the moving parts and
prevent proper operation.
• Use only the supplied or an approved replacement antenna.
Unauthorized antennas, modifications, or attachments could
damage the device and may violate regulations governing
radio devices.
All of the above suggestions apply to your device, battery,
charger, or any enhancement. If any device is not working
properly, take it to the nearest authorized service facility for
service.
Caution: The manufacturer assumes no responsibility for
the consequences of the users does not comply with the
above suggestions or misuse of the phone.
Technical Information
Model:
s4002
Weight: 113 gram (with battery)
Size Length:
122.5mm ×Width: 10.7mm ×Depth: 63mm
Battery: 1450mAh
Networks:
850/900/1800/1900 MHz
Lithium Battery
Battery Model:
Q401
Nominal voltage: 4.35v
Nominal: 3.8v
Capacity rating: 1450mAh
Continuous standby time*: 160hrs
Continuous calling time: 18hrs