First Use Note
Ensure the wireless headphones are fully charged before you start to use.
How to Wear
Select the best fitting ear tip and then wear the headphone. Make sure that it fits snugly and seamlessly inside your ear to get the best sound and Noise Canceling performance.
Power On
Long press for 5 seconds the left or right earbuds.
Power Off
- Put the earbuds into the case; it will power off.
- The earbuds will power off without connection and operation of your phone after 3 minutes.
How to Connect
For the first time pairing, long press for 3 seconds the power button to power on and search for Bluetooth device named "CHE-645" on your phone, then tap to connect. The headphones will automatically re-connect to the last connected device in connectivity records.
How to Charge
Charge the headphones using the included cable and a 5V/1A DC adapter. A PC USB port or other 5V DC compatible power source can also be used.
Functional Operation
Music
- Play/Pause: Press once (X1) on the left or right earbud.
- Track Control: Press twice (X2) on the left earbud for the previous song; press twice (X2) on the right earbud for the next song.
- Volume Control: Long press for 2 seconds on the left earbud to reduce the volume (-); long press for 2 seconds on the right earbud to increase the volume (+).
Incoming Call
- Answer/End Call: Press once (X1) on the left or right earbud.
- Reject Call: Press twice (X2) on either earbud.
Siri Voice Assistant
- Activate Assistant: Press three times (X3) on either earbud to activate Siri voice assistant.
FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: This device may not cause harmful interference, and 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: 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.
RF Warning Statement
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
Product Information
Model: CHE-645
Description: Wireless Open Earphones mini
Capacity: 3.7V/320mAh (1.184Wh)
Input: 5V/300mA
Manufacturer: Made in China
FCC ID: 2AYJ7CHE-645
