Wireless Earphones User Manual
Model: FT4
Product Overview
The product is a pair of wireless earphones housed within a compact charging case. The case is dark blue with the brand name "PowerTech" visible on the front. The earphones are designed to fit comfortably in the ear.
Product Parameters
- Wireless version: V5.3
- Working range: barrier-free 10 meters
- Wireless frequency: 2.402-2.480GHz
- Charge and discharge cycle: ≥300 times
- Charging box capacity: 800mAh
- Charging voltage: DC5V-800mA
- Charging time: 1.5 hours
- Talk time: about 3.2 hours (80% volume)
- Play music: about 4 hours (80% volume)
- Headphone built-in battery: lithium battery 3.7V, 70mAh
Note: Specifications and parameters are based on laboratory test data and may vary in different environments. The product is subject to continuous upgrades and improvements, and specific functions and product images may differ slightly from the actual product. Please refer to the actual product.
Touch Controls
- Power on: Open the charging case lid.
- Power off: Place earphones in the charging box and close the lid.
- Play/Pause: Single click on the left or right earphone.
- Previous song: Triple click on the left earphone.
- Next song: Triple click on the right earphone.
- Voice Assistant: Press and hold the left or right earphone for 2 seconds.
- Answer a call: Single click on the left or right earphone.
- Hang up the phone: Double click on the left or right earphone.
- Refuse a call: Press and hold the left or right earphone for 2 seconds.
- Increase volume: Double click on the right earphone.
- Reduce volume: Double click on the left earphone.
Charging Box LED Indicator Status
- Open/close lid indicator light: Green light is on.
- Charging earphones: The indicator light stays on for 8 seconds then turns off until earphones are fully charged.
- Charging the box: Orange light flashes; remains on when fully charged.
- Low battery reminder: LED flashes.
Wireless Connection Operation
- Place the wireless headset and mobile phone (or other connected device) close together.
- Ensure the headset is powered on. Open the charging case lid or remove the headset from the charging case. Ensure the left and right headsets are connected to each other to enter pairing mode.
- Turn on the wireless function on your mobile phone (or other wireless device) and search or scan for devices. Click the corresponding wireless model name to connect. After successful pairing, you can make calls and listen to music.
Considerations for Wireless Connection
- Maintain a distance of 1 meter or less between the wireless headset and the mobile phone (or other connected equipment); closer is better.
- You can place the earphones in the charging box and open the lid to connect.
- When removing earphones from the charging box and connecting, ensure the left and right earphones are paired.
- Do not close the charging case lid during the connection process.
- Ensure the charging case has sufficient power. If earphones do not turn on when the lid is opened, place them in the charging case, close the lid, and charge for at least one hour.
Precautions
- Never use corrosive cleaning agents to clean this product.
- Do not expose the product to heat or place it near heat sources like cooking stoves.
- Avoid prolonged exposure to direct sunlight to prevent overheating.
- Do not dispose of this product in fire, as it may cause an explosion.
- Do not attempt to disassemble or modify the product, as it contains no user-serviceable parts.
- Do not use this product in the rain.
- If not using the product for an extended period, store it in a dry environment. Charge the headset at least once a month to maintain battery life and avoid extreme temperatures and dust.
FCC Compliance Information
FCC Warning
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.
Caution
Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment.
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.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.