LETEN Pro S Wireless Earphones Instruction Manual

June 13, 2024
LETEN

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LETEN Pro S Wireless Earphones

Product Information
The product is a $$DPNQMJBODFTUBUFNFOU, designed to provide users with a convenient and efficient solution for their needs. It features a ‘$$3VMFT 0QFSBUJPO’ that allows users to easily navigate through the various functions and settings of the product. The product also includes a ‘8BSOJOH$IBOHFT’ feature which enhances the overall user experience. Additionally, the product comes with ‘$$3BEJBUJPO&YQPTVSF4UBUFNFOU’ which offers advanced functionality and customization options. This feature enables users to personalize their experience and make the most out of the product.

Product Usage Instructions

  1. Ensure that the product is properly connected to a power source.
  2. Press the power button to turn on the product.
  3. Use the ‘$$3VMFT 0QFSBUJPO’ to navigate through the available options and select the desired function.
  4. Make any necessary adjustments or settings using the provided controls.
  5. For advanced features, access the\ ‘$$3BEJBUJPO&YQPTVSF4UBUFNFOU’ menu and follow the on-screen instructions.
  6. To exit or go back, use the designated buttons or follow the prompts on the display.
  7. When finished, turn off the product by pressing the power button again.
  8. Disconnect the product from the power source.

Introduction

Welcome to the Pro S Wireless Earphones. This mellow and exquisite product with excellent sound quality and a comfortable fit was designed and well- polished with inspiration by our team. A wonderful listening experience will be along with you wherever you are wearing it.

Bluetooth Pairing Connection

  1. When you use it for the first time, please open the lid of the charging box, search for Pro S in the Bluetooth Pairing system in your cellphone, click the name of Pro S, and complete the pairing.
  2. After the pairing is recorded by the device, it will be automatically connected (the Bluetooth should be turned on on your cellphone) without searching and pairing manually.LETEN-Pro-S-Wireless-Earphones-fig-1

Press and Touch Function

  1. Click Pause/Play to answer/hang up the phone.
  2. Long press up and down
  3. Double-click to add or subtract volume
  4. Three clicks to Siri
  5. power on/off can be done manually. Long press 3 seconds to power on, and 15 seconds to power off.
  6. It will be automatically powered off three minutes after it is unconnected with Bluetooth.
  7. The earphone does not light up during the whole process. The charging box lights up orange when charging the earphones, and does not light up when it is full. The charging box flashes an orange light when charging, and the orange light stays on when it is fully charged.

Product Parameters

  • Product Function: Connected as the lid is open, CD-level sound quality, Siri voice, Type-C charging, Ultralight comfortable fit
  • Bluetooth Version: 5.2 +ENC
  • Support Protocol: HSP/HFP/A2DP/AVRCP
  • Charging Port: Type-C
  • Input Current: DC 5V
  • Output Current: 3.7V/50mAh
  • Loudspeaker: 13mm high-quality moving coil
  • Frequency Response Range: 20Hz-20000Hz
  • Earphone Battery: 32mAh *2
  • Charging Box Battery Capacity: Polymer 230mAh with protecting board
  • Music Play: About 6 hours
  • Talk Time: 6-7 hours
  • Charging Time:60 minutes
  • Wireless Working Range: <15M(Barrier Free)
  • Earphone Size: 23. 5*18. 8mm
  • Charging Box Size: 50. 941. 724. 6mm
  • Charging Box Weight: 20g
  • Single Earphone Weight:3. 5g*2
  • Whole Device Weight:27g

Note
This product supports iOS and Android Bluetooth devices. This manual is only for reference. Please refer to the real product since the specific functions and product pictures may be slightly different from the real product.

FCC compliance 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
(2) This device must accept any interference received, including interference that may cause undesired operation.
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 the receiver.
  • Connect the equipment to 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.

Warning : Changes or modifications to this unit not expressly approved by the part responsible for compliance could void the user’s authority to operate the equipment.

FCC Radiation Exposure Statement
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction

Warnings

  1. Please do not use a high current fast charge to charge the box charge, so as not to damage the circuit battery. Do not use heavy extrusion, away from the high humidity and high temperature environment.
  2. Keep away from WIFI, router, or other high-frequency transmitting equipment to prevent interruption of signal receiving.
  3. Please use this earphone under its working range (10-15m), and the effect would be better if there are no obstacles between the connected devices.
  4. Use this Bluetooth earphone to connect any device with Bluetooth function
    Note: This product supports the connection of Bluetooth devices such as ios and Android

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