FFZ K21 Wireless Kids Headphones User Manual
- June 6, 2024
- FFZ
Table of Contents
FFZ K21 Wireless Kids Headphones
Overview
Wireless
- Pai ring your device before the fi rst use: To pair the headphone with your mobile device, power on the headphone, and its wireless mode is act ivated. You will hear a voice prompt “wireless mode”.
- Connect to the mobile device: Turn on your smartphone wireless, search and find “K21 ” to connect. There wi ll be a voice prompt after Bluetooth pairing successfully.
Tips: If cannot find any wireless device in the effective range within 5 minutes, the headphone will be turned off automatically.
TF(Micro SD)
Power on the headphone and insert TF (Micro SD) card into the TF card slot.
AUX Input
No need to power on the headphone. Insert the audio cable (included) into the
Aux-in jack, insert the other end of the cable into the output of the player
i.e. phone /comput er, etc.
Notice: If inserting the audio cable into the aux-in jack after power on.
The headphone will be turned off automatically, which for protecting the
headphone and power saving.
Charging
Insert the charging cable (included) into the charging port, insert the other end of the cable into the AC adaptor(not included) or computer for charging
*Notice
- When playing music intermittently or shut down automatically, charge the headphone in time.
- Please do not use these headphones while charging.
Specifications
| Wireless Version: | VS.O |
|---|---|
| lmpedance: | 32C±15% |
| Frequency Response : | 20Hz-20kHz |
| Working Voltage: | 33-4.2 V |
| Music Time: | Appr. 15 hrs (without disco light) |
| Working Distance: | Working Distance: |
| Speaker Size: | Speaker Size: |
| Battery Capacity: | Battery Capacity: |
| Charging Time: | Appr. 2 hrs Appr. 8hrs (with disco light) |
Package Contents
- Kids Headphone*1
- Type-C Charging Cable *1
- Aux-in Cable *1
- User Guide*1
Battery Cautions
- The product is power by a rechargeab le battery. The new battery performs better after two or three cycles of full charge and discharge. The battery can be recharged and discharge, but it wil I wear out.
- Do not store it in overheat or cold places that may reduce battery capacity and life span. It is recommended to store it in 150 C to 25 0 C environment It may not work in extreme cold or hot environments even it is fully charged.
- Do not throw it into the fire to prevent exploding. A damaged battery may explode. Please follow the local regulations to handle the battery. Please recycle the battery as far as possible.
- Please stop using it if there is a severe bulging. Do not use it after it is soaked.
Tips:
Please regular recharge and discharge it every three months when unused for a
long time. Improper battery replacement may cause an explosion, it is only can
be replaced with the same type or equivalent type of battery.
100% Satisfaction Warranty
FFZ kids headphone is covered by 12 month warranties from the date of its original purchase. If the device fails due to manufacturer defects, please contact us by email and we will make thing right for you!
Contact US
Manufacturer: Shenzhen Youtian Technology Co., Ltd Address: 802, Building D,
Bantian International Center, Bantian Street, Longgang District, Shenzhen
City, Guangdong Province
Email:ffzservice@outlook.com Made in
China
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. Any 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.
The device has been evaluated to meet general RF exposure requirement. The
device can be used in portable exposure condition without restriction
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