Fourth B66 True Wireless Stereo Earphones Instruction Manual
- June 15, 2024
- Fourth
Table of Contents
Fourth B66 True Wireless Stereo Earphones
Product Specifications
| Bluetooth version | V5.0 EDR |
|---|---|
| Bluetooth protocol | A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 |
| Bluetooth Frequency | 2.4GHZ |
| Battery capacity | The headset 30 mah.300 mah rechargeable storehouse |
| Bluetooth Range | 10-1Smetesrs with no obstacles |
| Talk/playtime | Single earbud mode : 4 hours |
One pair earbuds mode: 3 hours
Touch Functions
| Power on | Long press touch function for 3 seconds |
|---|---|
| Play/Play pause | Click touch function |
| Previous piece | Double-click on the host |
| Next track | Double-click the vice machine |
| Add voice | Three pair of machine |
| Sound reduction | Three strikes the host |
| SIRI | Long press touch function for 2 seconds |
| Switch Chinese and English | In the pairing state, double-click the touch |
function to switch between Chinese and English prompts
Instructions
Bluetooth pairing| Pick up the charging bin and start up automatically. After
starting up, the main and secondary engines will pair up automatically. After
successful pairing, the host machine will flash red and blue alternately. This
time the phone search bluetooth name connection.
---|---
Charging| After the earphone alarm low power alarm sound, it is put into the
charging bin for charging. After charging, ii is automatically turned off.
When charging, the red light is long and the lamp is off when it is fully
charged.
Answer calls| Click touch to answer the call when calling, and click hang up
again.
Smart Touch description
- Please do not overuse this earphone or put it under heavy pressure, keep away from wet and heat.
- Far-high WIFI muter and other high-frequency transmitting equipment will affect the signal reception of the unit, resulting in the sound card breaking and disconnection.
- Please use this product in the wol1c.ing environment (1 Om), and there should be no physical barriers (such as wall, etc.) between the bluetooth device and the headset.
Warning:
Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment.
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions:
- This device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation.
FCC Statement:
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.
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