KBOD KB-TWS-C90 True Wireless Stereo Earbuds User Manual
- June 1, 2024
- KBOD
Table of Contents
KB-TWS-C90
True Wireless Stereo Earbuds
User Manual
Product Specification
Model: KB-TWS-C90
Product Name: TWS Earphone
Wireless version: V5.3
Transmission Distance: 10-15M (open area)
Music time: Around 6 Hrs per charge at 50%
volume, total around 20 Hrs with charging case
Charging time: around 2 Hrs
Standby time: >100 Hrs
Charging box capacity: 230mAh
Operation Instruction
Previous track: Double click L
Next track: Double click R
Volume increase: Three clicks L
Volume reduction: Three presses R
Voice Assistant: Long press for 2 seconds left/right
Pause/Play: Press left/right
Answer call: Press left/right
Hang up the phone: Press left/right
Reject call: Double press left/right
Power off time: default 3 minutes, can be held down manually for 4-5 seconds
to turn off, default is on when placed in compartment
Product Schematic
① Charging case indicator ② Charging case
② ③ Charging port ④ Dust-proof Mesh
③ ⑤ Touch area ⑥ Earbud charging contact
Charging Case
When charging: LED will flash red
Fully charged: LED will stay red
When charging the earbuds: LED will stay blue
Charging time: around 90 minutes
Earbuds
When charging:LED will stay red
Fully charged: LED will turn off
Charging time: around 60 minutes
Warning :
When you are plugging your cable into a wall charger, we recommend using a
UL/ETL 5V/1A approved charger. Don’t use the fast charger over 5V/1A to avoid
damage to the charging case. To ensure the battery life of the earbuds, the
earbuds and charging case should be charged once a month.
Product operation
Using Both Earbuds/Binaural Use:
- Take the earbuds from the charging case, the earbuds will automatically turn on and pair.
- Turn on the Bluetooth of your mobile phone and put the earbuds close to the mobile phone .Select“KB-TWS-C90″ from the Bluetooth device list to connect.
Power off:
- Put the earbuds into the charging case, the earbuds will turn off automatically.The charging case will automatically charges the earbuds;
- When the earbuds is turned on, long touch for 5 seconds to turn it off;
- lf the earbuds is not conneted for 5 minutes, it will power off automatically.
Charging:
Prepare the USB charger and connect the charging cable to the charger and
connect charging case.When charging, the LED will flash red.When fully
charged, the LED will stay red.
FAQ
A. When the earbuds can't power on automatically
Check whether the earbuds have power (After the earbuds put into the charging cases andconnect it with the USB charging cable, make sure to charge continuosely for more than 1 hour. )
B. When the earbuds have only one side sound or the mobile phone can not find the Bluetooth device
1. Make sure that both earbuds are powered on and the Bluetooth of mobile phone is activated. 2. Check whether the earbuds connected with other Bluetooth device. 3. Clear away all the relevant Bluetooth device name on the mobile phone, put both earbuds back into charaina cases and take them out after a while to reconnect.
C. When the earbuds is stuck or disconnected while talking or playing music
1. The earbuds are low power, 2. Check whether the distance between earbuds and mobile phone is more than10 meters. 3. Check whether there is any large area of signal barrier between the earbudsand mobile phone.such as wall oriron door 4.There may be some interfering devices nearby, such as routers or other BT
FCC STATEMENT
- 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.
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.
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.