Productech X8 True Wireless Earbuds User Manual

Productech X8 True Wireless Earbuds User Manual

REQUIREMENTS TO FIRMWARE

1. There should be no clicking sound prompts on touch.

2. If the earbuds are NOT connected to the device, they should turn off automatically in 15 minutes.

3. The internal earbuds volume should be 100% from the factory and the earbuds should remember the volume setting they had before

The built-in factory volume setting is 100%. The headset needs to memorize the volume before turning it on and off. After restoring the factory settings, it will return to the default 100% volume.

4. The low battery notifications with sound prompt should be as follows: – the first notification at ~20% of the battery; -the second notification at ~10% of the battery; – the third notification right before the speaker turns off because of low battery.

Three in total .

5. There should be RED LED indication at 5% of the battery, the LED should blink every 5 seconds. LED flashes every 5 seconds
6. When the ANC and transparency modes are announced, the music volume should go down to about 1-2% so that the sound prompts could When the noise reduction or transparency mode is announced, the music volume should automatically drop by 1~2% so that the voice prompt can be heard.
7. All the ANC models should be synchronized between the earbuds. If I use only one earbud and it is in transparency mode, then I take the second earbud from the case, this earbud should also be in transparency mode.
8. Earbuds should turn ON with ANC ON, then, after long touching, should go transparency mode, then ANC OFF.

REQUIREMENTS TO HARDWARE

1. Need to change the red/blue LEDs on the earbuds to red/white LEDs.
2. There should wireless charging feature for the case (if possible). If there is space, add wireless charging
3. The capacity of the case battery should be 400mAh as advertised, the earbuds battery should be 40mAh.
   Headphone battery 40mah, charging case battery 400mah
4. There should be NO high-pitched noise when Transparency is ON and you cover the FF ANC mics with hands.
5. The case should have rubber oil coating. Spray rubber oil on the upper and lower covers of the charging case.

LEDS INDICATION ON EARBUDS

• When the earbuds are being turned on, the white LEDs should light up and start blinking indicating the pairing mode.
• When earbuds are connected to the device, the white LEDs should be off.
• When earbuds are being turned off, the white LEDs should light up and go off.
• When charging the red LEDs should be ON until fully charged.
• When earbuds battery level is 5%, the red LED should blink every 5 seconds until earbuds turn off because of the low battery level or put on charge.

EQ SETTING :

Should be per this file:

FCC Warning
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.

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.

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.

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