DUDAO U14B True Wireless Earphones User Manual

DUDAO U14B True Wireless Earphones

SPECIFICATIONS

• Bluetooth version: Bluetooth V5.1
• Support Bluetooth protocol: A2DP,AVRCP,HSP,HFP
• Bluetooth working frequency: 2.402GHz-2.480GHz
• Receiving sensitivity: (TYP) -86dBm
• Bluetooth effective distance: (barrier-free open space) 10M
• Speaker power: Rating 3mW
• Headphone amplifier type: chip built-in
• Audio signal-to-noise ratio S/N: >90dB
• Pairing name: U14B
• Power display: Support iOS system pop-up power indicator
• Battery Type: Lithium-ion polymer
• Battery Capacity: 3.7V 25mA
• Charging time: 2H
• Music time: about 2 hours (80% volume)
• Talk time: 2 hours (80% volume)
• Standby time: headset stand-by time 40 hours
• Frequency response: 100Hz~ 20KHz
• Speaker unit: full-range speaker13mm@32 ohm
• Microphone MIC: -42dB+-3
• Basic parameters of charging box
• Battery: Type Lithium-ion polymer
• Battery Capacity: 3.7 V 200mAh
• Charging time: about 2 hours
• Charging indicator light: charging orange light flashes, full of green light
• Charging input interface: Lightning
• When the battery is low: orange light flashes
• Charging box battery full time: about 2H
• The number of times the headset is charged by the charging box: about 5 times

Product Description

Product Instructions

• Power on and off: turn on when the lid is opened, turn off when the lid is closed
• Play/Pause: Click the L/R touch key,
• Previous song: Three-click the R side touch key
• Next song: Three-click the L side touch key
• Volume increase: double-click the L side touch button to increase the volume
• Volume reduction: double-click the R side touch key to reduce the volume
• Voice assistant: long press for 2s and then release to trigger the voice assistant
• Answer/Hang up: Click the L/R touch key to answer the call/hang up the call when there is an incoming call
• Reject the call: Long press the L/R touch key to reject the call
• Pairing: Android opens the charging box cover and the headset automatically entersthe pairing state when it is turned on, waiting for the phone to search for connection Apple (system version 13.2 and above) open the pop-up window and click on the phone to automatically connect

Precautions

Warnings and Precautions when using the product

1. Do not use the abrasive cleaning agent to clean the product.
2. Do not allow this product to heat or close to a fire source, such as a cooking stove.
3. Do not allow this product to be exposed to direct sunlight for a long time.
4. Do not dispose of this product in a fire to avoid an explosion.
5. Do not attempt to disassemble the product with any modifications as it does not contain any maintenance components.
6. Do not use this product in rain.
7. If you do not intend to use this product for a long time, please store it in a dry environment,

And at least once a month for the headset to extend the life, to avoid extreme temperatures and dust.

MORE INFORMATION

Respected user:

Hello! Thank you for using dudao products. We provide you with quality products and after-sales Services fully protect your consumer rights is that we should make obligations. Therefore, our company in accordance with relevant state regulations, the implementation of the following standard warranty service.

1. warranty service: users can go to the local after-sales center to enjoy my company within / days from the date of purchase provided replacement service(NOTE: In appearance destructive, by packaging accessories without damage and clean appearance and complete premise), a year warranty; no local service center, users can delegate dealer for warranty service.
2. if the damage caused by the following reasons, without providing warranty service:
3. The product has altered the original serial number label, replace, tore other phenomena, no serial number or product, warranty certificate on the product model, serial number and products in kind match;
4. Product exceeds original warranty period specified;
5. Non-normal use lead to the appearance of damage;
6. the outer part and the enclosed gift accessories, sales staff promised production outside services and additional product configuration and giveaways;
7. Improper storage: Prolonged exposure to damp humid environment manipulation headset Water
8. please bring warranty service card and valid proof of purchase, duly good save this card and valid proof of purchase, do not modify their own warranty cards and shopping vouchers, otherwise it will be considered void.
9. the Company reserves the final interpretation of the product service.

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