This document describes a wireless speaker, model 72112, branded "DAY USEFUL EVERYDAY". It is designed for portable audio playback from various sources.
Function Description
The DAY wireless speaker is a versatile audio device capable of playing music from multiple sources. Its primary function is to provide wireless audio streaming via Bluetooth. Additionally, it features an FM radio for listening to broadcast stations, an MP3 player that reads files from a TF card, and an AUX input for connecting external audio sources via a 3.5mm audio cable. The speaker is designed for ease of use with clearly labeled controls for power, volume, track navigation, and mode selection. It includes a built-in microphone, suggesting potential use for hands-free calling in Bluetooth mode, although this is not explicitly detailed in the basic operation instructions. The device is rechargeable and portable, making it suitable for everyday use in various environments.
Important Technical Specifications
- Bluetooth Version: 5.0, ensuring a stable and efficient wireless connection.
- Output Power: 5 W x 4, indicating a total output of 20W, providing robust sound.
- Loudspeaker Size: Ø52 mm, suggesting a compact yet capable speaker design.
- System Frequency: 80 Hz - 16 KHz, covering a decent range of audible frequencies.
- Signal-to-Noise Ratio (SNR): 80 dB, indicating good audio clarity with minimal background noise.
- Sensitivity (Induction Voltage): 40 mV.
- Product Dimensions: 38 x 9 x 8 cm, highlighting its compact and portable form factor.
- Built-in Battery: 2400 mAh Li-ion, providing a substantial power reserve for portable use.
- Charging Voltage: DC 5V 500 mAh (via Micro USB), a standard charging interface.
- Play Time: 6 hours (at 50% volume level), offering a reasonable duration for continuous playback on a single charge.
- Full Charge Time: 3.5-4 hours.
- Sound Sources: Bluetooth, FM radio, MP3 from TF card, and AUX port, providing multiple connectivity options.
- RF Output Power: -0.23 dB e.i.r.p.
- Frequency Range: 2402-2480 GHz, standard for Bluetooth operation.
Usage Features
The speaker offers straightforward operation with a slide switch for power on/off.
Bluetooth Mode:
- Upon powering on, the speaker automatically enters Bluetooth mode and attempts to reconnect to a previously paired device. If unsuccessful, it will enter auto-search mode after about 10 seconds.
- To pair a new device, turn on your device, search for Bluetooth devices, and select "DAY speaker".
- Bluetooth is a peer-to-peer connection, meaning only one device can be connected at a time. Disconnecting a device is required before pairing with another.
Music Playback:
- Press the play/pause button (2) to start or pause music.
- Volume adjustment is done by long-pressing buttons (1) for volume down or (3) for volume up.
- Short presses of buttons (1) or (3) navigate to the previous or next track.
TF Card Mode:
- Inserting a TF card with MP3 files into the designated slot automatically switches the speaker to TF card mode and begins playback.
FM Radio Mode:
- To use the FM radio, an AUX or USB cable must be inserted to act as an antenna.
- Press the Mode button (4) to enter FM mode.
- Double-press the play/pause button (2) to automatically search for stations. The speaker will tune to the first found channel after about a minute.
- Double-press the play/pause button (2) again to stop the automatic search and listen to your preferred channel.
- Use buttons (1) and (3) to navigate between previous and next channels.
- Press the Mode button (4) again to exit FM mode.
- The speaker will automatically shut down after 10 minutes of inactivity in standby mode, accompanied by a voice reminder.
AUX Mode:
- A 3.5mm audio cable (not included) can be used to connect the speaker to an external audio source.
Maintenance Features
- Battery Charging: The speaker features built-in overcharge and short-circuit protection. It charges via a DC 5V 500 mAh Micro USB port.
- Adapter Requirement: It is recommended to use a suitable adapter with an input voltage of 5V/2A or 5V/1A to prevent damage from high voltage or insufficient current for a full charge.
- Charging Indicator: A red light indicates charging, which turns off once charging is complete.
- Initial Use: It is recommended to fully charge the device before its first use.
- Charging and Playback: Playing music while charging is not recommended as it may lead to excessive battery load, potentially shortening battery life.
- Long-term Storage: If the speaker is not used for an extended period, it should be recharged once a month to maintain battery life. Store it in a cool, dry environment and unplug the power supply.
- Environmental Conditions: Avoid using the product in environments with very strong and high-frequency microwave or magnetic fields, as these can cause interference. Do not expose the speaker to rain or dampness; if it gets wet, dry it in a ventilated, cool place, avoiding high temperatures to prevent damage or fire. Do not place the speaker near fire or heaters.
- Safety Warning: If the speaker emits smoke or unusual phenomena during charging, immediately unplug the power cord to prevent accidents.
- Hearing Protection: Avoid listening at high volume levels for extended periods to prevent possible hearing damage.
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