Coby CETW516 True Wireless Stereo Earbuds
User Manual
Overview
CETW516 True wireless stereo earbuds
The Coby CETW516 are true wireless stereo earbuds. Each earbud features an Ear tip, a Status LED indicator, a Multi-Function Button (MFB), and Charging Contacts.
Charging case for the CETW516
The charging case has a Front View showing the Lid of the Charging Case and the Status LED indicator of the Charging Case. The Bottom View reveals the [Micro USB port].
Charging
Charging the charging case
Connect the charging case to a power source using a USB cable. The charging case's LED indicator light will flash red to indicate it has successfully begun charging. When it is fully charged, the LED indicator turns steady red.
Charging your earbuds
When your earbud batteries are low, please charge them. Open the lid of the charging case, then place the earbuds into the charging case to start charging.
Earbuds Status | LED Indicator |
---|---|
Low battery | Slowly flashing red; Tone notification |
Charging | Steady red |
Fully charged | Off, LED light is off |
Powering on/off
Powering on
Your CETW516 Earbuds will power on automatically when taken out of the charging case. You can also power them on manually by pressing and holding the Multi-Function Button (MFB) on both earbuds for 7 seconds.
Indication: Flashing blue [LED indicator]; Power on tone notification.
Powering off
Your CETW516 Earbuds will power off automatically when placed back in the charging case.
To power them off manually, press and hold the Multi-Function Button (MFB) on a single earbud for 7 seconds.
Indication: Flashing red three times (both earbuds); Power off tone notification.
Pairing
1. True Wireless stereo connection
When the Earbuds are turned on, they will automatically enter True Wireless stereo pairing mode.
Indication: Alternating flashing red and blue on both earbuds.
When True Wireless Stereo connection is successful (the right earbud is connected to the left earbud):
Indication: Left earbud: Alternating flashing red and blue; Right earbud: Flashing blue; Connected tone notification.
2. Bluetooth connection with your device
After a successful True Wireless stereo connection, your CETW516 will automatically enter Bluetooth pairing mode with your media device. Turn on Bluetooth in your device's settings and search for "CETW516", then tap "CETW516" to connect.
Connection Status | LED Indicator |
---|---|
Pairing mode | Alternating flashing red and blue on the left earbud. |
Connected to a device (Successfully paired with your media device). | Flashing blue (both earbuds); Connected tone notification. |
The earbuds will automatically be paired with your last successfully connected media device next time they are turned on.
Controls
Music mode
Action | Control | Description |
---|---|---|
Play/Pause | Press the [MFB] once on either earbud. | X1 |
Next track | Press the [MFB] twice on the right earbud. | R X2 |
Previous track | Press the [MFB] twice on the left earbud. | L X2 |
Volume up | Press the [MFB] three times on the right earbud. | R X3 |
Volume down | Press the [MFB] three times on the left earbud. | L X3 |
Phone call mode
Action | Control | Description |
---|---|---|
Answer/End a call | Press the [MFB] twice on either earbud. | X2 |
Reject a call | Press and hold the [MFB] for 1 second on either earbud. | 1" |
Voice Assistant mode
Action | Control | Description |
---|---|---|
Activate Siri / other voice assistant | Press and hold the [MFB] for 2 seconds on either earbud. | 2" |
Exit | Press the [MFB] once on either earbud. | X1 |
Troubleshooting
Problem | Solution |
---|---|
Your earbuds aren't connecting to each other. The Earbud LED Indicators on both earbuds are alternating between red and blue lights. | Double press the Multi-Function Button (MFB) on either earbud to manually initiate True Wire stereo connection. Please allow up to 30 seconds to connect if you are in a public area with interfering signals. |
Your earbuds are connected to each other, but you cannot connect to my device (phone, laptop, tablet etc.) | Ensure the earbuds are not currently connected to another device. If they are, open Bluetooth settings on those devices and tap "Forget device" on "CETW516". Confirm the device you would like to pair with is Bluetooth enabled; please refer to that device's user manual to confirm. |
There is no response on the CETW516 earbuds. | Firstly, check whether the batteries in earbuds are depleted, if they are, charge the earbuds. If they are not, reset the earbuds by pressing and holding the Multi-Function Button (MFB) for about 8 seconds. |
You can only hear sound on one earbud. | Reset the earbuds by pressing and holding the Multi-Function Button (MFB) for about 8 seconds. |
Specifications
Specification | Details |
---|---|
Model Name | CETW516 |
Power Input | 5 V/1A |
Charging time | Charging case: 1.5 hours Earbuds: 1.25 hours |
Playtime (Earbuds) | Up to 5.5 hours |
Playtime (with charging case) | Up to 20 hours |
Battery Type | Rechargeable Lithium-ion |
Range | 10m/33 ft |
Bluetooth version | V 5.0 |
Dimension | 2.52 x 1.90 x 0.98" |
Weight (earbuds alone) | 8 g/ 0.28 oz |
Weight (with charging case) | 37g |
Specifications are subject to change without notice.
Safety Statement
Safety Precautions
- Avoid dropping.
- Do not disassemble this device.
- Do not expose this device to rain or moisture or submerge in water.
- Ideal temperatures are 0°C to 35°C. Avoid extreme temperatures.
- Keep the device away from excessive heat, such as sunshine, fire or the like.
- Do not use the device outdoors during thunderstorms.
- Use original or certified cables.
- Do not use any corrosive cleaner/oil to clean.
- Keep out of reach of children. It contains small parts which may be a choking hazard.
- Observe local laws and regulations while using the device.
- To prevent damage to your device's parts or internal circuits, do not use it in dusty, smoky, damp or dirty environments.
- Do not use, store or transport the device where flammables or explosives are stored. Using your device in these environments increases the risk of explosion or fire.
Hearing Safety
- To avoid hearing damage, do not listen for extended periods at high volume.
- Do not turn the volume so high that you're unable to hear your surroundings.
- Do not use earphones while driving.
- Use caution or temporarily discontinue use in potentially hazardous situations.
FCC Statement
FCC ID: 2AMSOETW001 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. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: 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: (1) Reorient or relocate the receiving antenna. (2) Increase the separation between the equipment and receiver. (3) Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. (4) Consult the dealer or an experienced radio / TV technician for help.
FCC Radiation Exposure Statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
Notice
This product complies with the radio interference requirements of the [CE] European Community.
The symbol [Recycling symbol] means the product must not be discarded as household waste, and should be delivered to an appropriate collection facility for recycling. Follow local rules and never dispose of the product and rechargeable batteries with normal household waste. Correct disposal of old products and rechargeable batteries helps prevent negative consequences for the environment and human health.
Disclaimer
All information, design and specifications contained in this manual were correct at the time of this publication. As the product goes under continuous upgrades and changes, however, the final device may have slight differences. The contents of this manual are subject to change without prior notice, and Coby will not be liable for any errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this manual.
COBY® IS A REGISTERED TRADEMARK OF HEARST COMMUNICATION, INC. AND USED UNDER LICENSE BY SUMMIT ELECTRONICS, LLC. © 2021 HEARST COMMUNICATION, INC. ALL RIGHTS RESERVED AND ANY USE OF SUCH MARKS BY SUMMIT ELECTRONICS LLC IS UNDER LICENSE. OTHER TRADEMARKS AND TRADE NAMES ARE THOSE OF THEIR RESPECTIVE OWNERS.
⚠️ WARNING: CANCER AND REPRODUCTIVE HARM - WWW.P65WARNINGS.CA.GOV.
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Customer Service
Contact us at support@summitcegroup.com for return information and customer support!
For more information, please visit: cobyusa.com
PO No.: Version No.: V1.1