Shenzhen Uniwins Technology S03 True Wireless Stereo Earbuds User Manual

June 4, 2024
Shenzhen Uniwins Technology


TRUE WIRELESS STEREO S03
User Manual

Please read this manual carefully and keep it properly for future use

The user guide:

Thanks for choosing this TWS. In order to make better use, pls read this manual carefully before using it and keep it properly.

  • S03 True wireless Bluetooth 5.3, binaural HD calls
  • According to the principle of ergonomics, it fits the cochlea and it is comfortable to wear, it is not easy to fall off even when moving

The specification for the headset:

Battery capacity: 35mAh/3.7V
Duration of music playback: 3.5-4.5h
Call duration in both ears: 3.5-4.5h
Charging time: 1.5h
Product weight: 58g

The specification for the charging box

Battery capacity: 300mAh/3.7V
Charging time: 1.5h
Lifetime: 12h (charge headset 3 times)
Product size: 8444.531.5mm

Operation:

Shenzhen Uniwins Technology S03 True Wireless Stereo Earbuds -
fig

Item Operation LED indicator
Power on Take out the headsets from the charging case Red and blue lights

flash alternately
Power off| Take the headsets back to the charging case| Red LED light on
Pairing| After taking it out from the charging box,
it will be in pairing automatically| Red and blue LED flashes alternately for the main headset, Blue LED of the deputy headset flashes once every 5 seconds
Connection| Choose the Bluetooth name S03| Blue LED light off
Disconnection| The disconnect between phone and
headsets, it will be in pairing mode| Red and blue LED flashes alternately for the main headset, Blue LED of the deputy headset  flashes once every 5 seconds
Re-connection| The headsets pair automatically| /
Turn off automatically if no connection| If no connection in 5mins, it will turn off automatically| LED light off
Charging| Take the headsets back to the charging case and start charging| Red LED light on
---|---|---
Finish charging| The headsets in the charging case| Red LED light off
Lower power alarm| Voice alarm occurs when power is below 3.3V| Red LED every 3 flashes seconds, and light off when 3.0V
Clear pairing| Press and hold the touch key for 8 seconds| LED light off

Wearing overview:

Frequently Asked Questions

Bad sound quality

  1. Please confirm if the earphones are correctly worn.
  2. Please try to change a player or music playing application.

No sound or sound change

  1. Please confirm if the current device supports this product.
  2. Please try to change a player or music playing application.

Maintenance And Storage

It is important to keep the headsets clean for safe and healthful use.

  1. Do not wear headsets that are dirty.
  2. When the headsets are out of use, please always store them in the clean dry environment provided.
  3. Do not store it with other articles, as it may cause pollution.
  4. Avoid storing it in an environment that is too hot or too cold.
  5. Avoid contact with liquid, and avoid extreme temperature or high humidity environment.
  6. Do not dismantle the earbud in an unprofessional and nonstandard manner, to avoid the partial sound of the earbud.

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 requirements. The device can be used in portable exposure conditions without restrictionShenzhen Uniwins Technology S03 True Wireless Stereo Earbuds -
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