Sprout HARMONIC II - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

This document describes the Harmonic II Bluetooth ANC Stereo Headphone, a wireless audio device designed for enhanced sound quality and convenience.

Function Description

The Harmonic II is a Bluetooth 4.1+EDR enabled stereo headphone with Active Noise Cancellation (ANC) functionality. It supports wireless audio streaming and hands-free calling. A 3.5mm music line-in function allows for wired audio playback, and the headphones automatically power off when a 3.5mm audio cable is connected. The device incorporates apt-X® audio technology for CD-quality sound on compatible devices. It can connect to two Bluetooth-enabled devices simultaneously, allowing users to take calls from either device. For iOS enabled devices, the Harmonic II displays its battery power status. NFC is supported for quick and easy pairing with compatible mobile phones.

Important Technical Specifications

Bluetooth Version: 4.1
Talk Time: Up to 21 hours
Stand-by Time: Up to 580 hours
Music Play Time: Up to 21 hours
Wireless Range: Up to 10 meters
Bluetooth Profiles: A2DP/AVRCP/HSP/HFP
Impedance: 32Ω
Sound Pressure Level: 105±3dB
Frequency Response: 20Hz–20 KHz
Weight: 261.50g
Dimension: 198.9*174.3*81.9mm

Usage Features

General Functions:

Power On/Off: Press and hold the multifunction button for 3 seconds.
Pairing: From power off, press and hold the multifunction button for 5 seconds. From power on, press and hold for 2 seconds. The Red and Blue LEDs will flash alternately.
Standby: Blue LED flashes 3 times in 1 second.
Incoming Call: Blue LED flashes continuously.
Low Battery: Red LED flashes with a warning tone.
Charging: Red LED indicates charging in progress; Blue LED indicates charging finished.

Basic Buttons Operation:

Volume Adjust: Short press Vol+ or Vol- buttons.
Play/Pause: Short press the multifunction button.
Previous Track: In standby, press and hold Vol- for 1.5 seconds.
Next Track: In standby, press and hold Vol+ for 1.5 seconds.
Answer/End Call: Short press the multifunction button.
Reject Call: Press the multifunction button for 2 seconds.
Transfer Call: During a phone call, press the multifunction button for 2 seconds to switch between the mobile phone and headphones.
Last Number Redial: In standby, press the multifunction button twice.
Voice Dial: In standby or playing audio, press and hold the multifunction button for 2 seconds.
Connect 2nd Phone Call: When a second call comes in, short press the multifunction button to end the first call and answer the second. Double short press to hold the first call and answer the second. Double short press to switch between calls. Short press to end the current call and continue the held call.

Active Noise Reduction (ANC):

To activate ANC, switch the ANC button to "ON". A Green LED will illuminate. ANC reduces outside noise and enhances sound quality.

Pairing with Multiple Devices:

The Harmonic II can connect to two devices simultaneously. To pair with a second device, first connect the first phone, then power off the Harmonic II. Power on the Harmonic II, enter pairing mode, and connect the second phone.

NFC Functionality:

Ensure NFC is activated on your mobile phone and the Harmonic II is powered on. Place the mobile phone's NFC area near the NFC position on the Harmonic II. Confirm the connection on your phone.

Kit Contents:

1 x Stereo Bluetooth headphone Harmonic II
1 x Charging Micro USB Cable
1 x User Manual
1 x 3.5mm audio wire
1 x Plane adaptor
1 x Carry case
1 x 3.5 to 6.3mm connector

Maintenance Features

Charging:

When the Harmonic II indicates low battery, charge it via the USB cable. A full charge takes approximately 1.5 hours.

Reset Mode:

Connect the Harmonic II to a computer via the Micro USB cable. A Red LED will illuminate when the reset is finished.

Return to Factory Setting:

Connect the Harmonic II to a computer via the Micro USB cable. Press the Vol+ and Vol- buttons together for 5 seconds. The Blue LED will flash fast 6 times.

Warning: