KNZ Technology GODUO GoDuo Wireless Speakers User Manual BCTC 170401623E 2ALYRHG F02B NII report
KNZ Technology LLC GoDuo Wireless Speakers BCTC 170401623E 2ALYRHG F02B NII report
user Manual

GoDuo Wireless Speakers
GoDuo-RED 
User manual 
Manufacturer's: Shenzhen ABC Industrial Co., Ltd. 
Address: F/6, Building B14, Yintian Industrial District, Xixiang Street, Bao'an, Shenzhen, 
China  
Thank you for choosing our product. We hope it will give you a great deal of pleasure. 
Safety instructions Read this manual carefully before putting the appliance into operation, and 
keep this manual for future reference.  
• Keep the device away from heat, direct sunlight and sharp edges.  
• Keep the device away from naked flames.  
• Do not insert any metal object into the device.  
• To avoid a static charge, do not use the device in an extremely dry climate.  
• Do not try to repair the unit yourself. Contact an authorized specialist.  
FCC Statement 
This equipment has been tested and found to comply with the limits for a Class B digital device, 
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection 
against harmful interference in a residential installation. This equipment generates uses and can radiate 
radio frequency energy and, if not installed and used in accordance with the instructions, may cause 
harmful interference to radio communications. However, there is no guarantee that interference will not 
occur in a particular installation. If this equipment does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to 
correct the interference by one or more of the following measures: 
-Reorient or relocate the receiving antenna. 
-Increase the separation between the equipment and receiver. 
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 
-Consult the dealer or an experienced radio/TV technician for help. 
This device complies with part 15 of the FCC Rules. Operation is subject to the following two 
conditions:(1) This device may not cause harmful interference, and (2) this device must accept any 
interference received, including interference that may cause undesired operation. 
Changes or modifications not expressly approved by the party responsible for compliance could void the 
user's authority to operate the equipment. 
Product Overview  

Button description  
 Function/On/Off: To turn the unit on or off. and choose function. 
 Charging port 
 Aux in function 
Notes & tips:  
1. You can press the phone button twice quickly to redial the number of the last call.  
1. Specifications: 
* Bluetooth Version: 3.0 +EDR 
* USB charging voltage: DC 5V 
* Built-in rechargeable Lithium battery. 
* Operating distance: up to 10M 
* Output: 4Ω, 3W*2 
Charging the battery 
This speaker is powered by an integrated rechargeable lithium battery. Charge the battery as follows.  
1. Insert the charging cable connector into the DC 5V socket on the unit. Connect the cable’s USB 
connector into a PC or AC/DC adaptor.  
The LED indicator will turn red, showing that the battery is being charged.  
Pairing the Bluetooth Speaker with mobile a phone or other device  
To activate pairing mode, make sure the speaker is turned off, then press and hold the on/off button for 
about 6 seconds until  
the red LED and blue LED are flashing alternatively.  
Now the speaker is ready for pairing.   
1. Turn on your mobile phone (or other device) and activate the Bluetooth functionality.  
2. Search for devices to pair with. “Bluetooth Speaker ” should appear on the list of available devices  
3. Select the “Bluetooth Speaker” for pairing . If a password is requested, type “0000” . Your mobile 
phone (or other device) will now connect to the “Bluetooth Speaker”  
Tips: 
Make sure the speaker is turned off before trying to activate pairing mode. Once the speaker has been 
paired with your mobile phone (or other device), it will connect to device automatically the next time you 
turn it on, assuming that your device is turned on.  
CAUTION 
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. 
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS 
Use careful with the earphone maybe possible excessive sound pressure from earphones and 
headphones can cause hearing loss. 
The product shall only be connected to a USB interface of version USB 2.0 or higher and that the 
connection to a power USB is prohibited.