OPENEAR Arco

Headphones Display

The charging case is shown with a glowing LED indicator on its lid and a Type-C charging port on the rear.

The left (L) and right (R) earbuds are depicted. Each earbud features an LED indicator and a touch-sensitive control surface.

Specifications

• Model: OPENEAR Arco
• Type: Truly Wireless Open Ear Headphones
• Version: V5.4
• Connection: Approximately 10 meters
• Earbud Play Time: ≥5 hours (at 80% volume)
• Earbud Charging: 1 hour
• Case Charge Earbud: 7 Times
• Case Charging: 1.5 hours
• Charging Voltage: DC 5V

How to Wear

Put the earhook behind the ear until it fits your ear.

Visual: An illustration shows the process of wearing the earbud: first, place the ear hook behind the ear, then gently rotate the earbud to rest comfortably in the ear.

Battery Level Notification

Automatically announce the real-time battery level of the headphones after power on.

• Battery 100%-70%: Prompts: battery high.
• Battery 69%-40%: Prompts: battery medium.
• Battery 39%-10%: Prompts: battery low.

Operations

Power On/Off

Power On: The earbuds are automatically powered on when the charging case lid is opened. Prompt: "Power on, pairing".

Power Off: The earbuds turn off when placed into the charging case and the lid is closed. Alternatively, press and hold the touch control on the earbuds for 5 seconds. Prompt: "Power off".

BT Connection

Select "OPENEAR Arco" in the Bluetooth menu to connect. Prompt: "connected".

Two Sound Modes

The earbuds are built-in with 2 different sound modes.

In indoor mode, you will hear more bass effects. In outdoor mode, you will get higher volume.

The default mode is indoor mode. Tap the touch control on any earbud 4 times to switch from indoor mode to outdoor mode.

Previous/Next Track

Previous Track: Tap the touch control on the left earbud 3 times.

Next Track: Tap the touch control on the right earbud 3 times.

Volume Up/Down

Volume Up: Double-tap the touch control on the right earbud.

Volume Down: Double-tap the touch control on the left earbud.

Activate Voice Command

Activate your device's voice assistant by touching the control on either earbud for 3 seconds.

Play/Pause Music

Play or pause music by single-tapping the touch control on either earbud.

Answer/Hang Up/Reject A Call

Answer/Hang Up A Call: Single-tap the touch control on any earbud.

Reject A Call: Touch and hold the control on any earbud for 1.5 seconds.

Charging

Earbud Charging

Place the earbuds into the charging case and close the lid. The green LED light on the earbud is on while charging. The white LED is on after fully charged.

Case Charging

Please use a DC 5V adapter and Type-C charging cable for charging the case. The white LED is on while charging, and it turns off when fully charged.

Visual: A diagram shows a charging case connected to a power adapter via a USB Type-C cable.

Low Battery Warning

When the battery is lower than 20%, a "low battery" prompt will be heard, and the white LED will flash every 3 minutes.

Attentions

• Listening to loud music for a long time may cause discomfort. Please use medium volume if possible. Do not use high volume for long periods of time.
• Using headphones will affect your perception of the surrounding environment. Pay more attention when using headphones.
• Do not remove or modify the headphone, as this may cause damage or burn out.
• Do not throw, twist on headphones, or put them into a fire.
• Keep it away from fire, hydration, and high pressure equipment.
• Not suitable for children under 10-year-old containing small parts.
• Do not classify it as household waste. Please send it to the local electrical equipment recycling station.

Note: The company does not assume any responsibility for the loss of personal property caused by the violation of the above warnings.