ACREO Open Buds True Wireless Open Ear Earbuds User Manual
Contents of packaging
Product Parts
Quick Start Guide
- After opening the charging case cover, the earphones will automatically power on.
- When the headset is powered on and no device is connected, the headset will automatically power off after 5 minutes.
- After putting the earphones into the charging case and closing the cover, the earphones will turn off automatically.
- In the startup state, long press the function button of left and right earphones for 5 seconds to shut down (left and right earphones do not shut down synchronously)
- In the power-off state, long press the function button or for 3 seconds to power on (left and right earphones do not power on synchronously)
- After the headset is turned on, turn on the bluetooth of the phone for pairing (search the Bluetooth name in the Bluetooth interface of the phone ACREO OpenBuds and click connect).
- After the headset is connected to the device, the headset or device will be automatically connected after 3 seconds of power-on.
- Bluetooth will be disconnected when it is out of the connection range, and bluetooth will be disconnected when it enters the connection range again within 5 minutes Automatic connection.
Phone call/music play/volume control/ voice wake-up
- Call control Press once: Answer/hang up the call Press the button twice: Connect a third-party call (call status) Press twice continuously to switch a call (Call status) Hold down for 2 seconds to reject an incoming call
- Music control Press once: Play/pause Long press left earphone for 2S: Previous song (playing state) Long press right earphone for 2S: Next song (playing state)
- The volume control Press the left earphone twice consecutively: Volume – (playing state) Press the right headset twice consecutively: Volume + (playing state)
- Voice wake up Press the button three times: Voice Assistant
Factory data reset
Press this button seven times: Restores factory Settings
Bluetooth indicator/voice prompt
Specification
- Bluetooth version:
- Support agreement:
- Bluetooth range:
- Speakay diameter:
- Frequency response:
- SPL output:
- Battery type:
- Charging time:
- Frequency band:
- Maximum transmitting power:
FCC 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, and (2) this device must accept any interference received, including interference that may cause undesired operation
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. Caution: Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment.
RF Exposure Information
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
