Alarm Clock Bluetooth Speaker Rechargeable Versatile Wireless Clock Bluetooth Speaker for Home Bedroom Office DC 5V Item Type: Alarm Clock Bluetooth Speaker Size: Approx. 238 x 235 x 80mm/9.37 x 9.25 x 3.15in Lighting: Color Power Supply: DC 5V Battery (Shipped With Built In Battery) : 1200MAH, Lithium Battery, 18650 model Bluetooth Version: 5.3 Wireless Charging Power: 15W Output Power: 5W Bluetooth Frequency: 2.4GHz-2.48GHz Transmission Distance: Approx. 10m/32.8ft Frequency Response Range: 50HZ-20KHZ Overall SNR: Greater Than 75db Memory Card Slot (Delivered Without Memory Card) Functions: Alarm clock, color lights, wireless charging, FM radio, memory card /U disk playback, Bluetooth speaker Key Function: 1. Press and hold to power on/Press and hold to switch lights 2. Hold down to switch the BT/NS/FM mode, and hold down to pause/play3. Short press the timing 15/30/60 and long press the Bluetooth couplet 4. Short press the next track and long press to increase volume 5. Short press the previous track and long press to reduce volume 6. Alarm Settings 7. Clock Settings Bluetooth Function Use: 1. The speaker supports Bluetooth devices with A2DP function, and enters Bluetooth mode by default when the device is turned on. The blue light of the Bluetooth indicator is shining and accompanied by a voice prompt, and the speaker is in the state of waiting for pairing and connection. 2. Mobile phone connection: Step 1. Turn on the Bluetooth switch in the phone Settings and click Search device. Step 2. When the available device displays BT3401 characters indicating that the phone has found the Bluetooth speaker, click BT3401 to enter the pairing mode. After the phone is successfully paired with the speaker, there will be a voice prompt indicating that the phone is connected. TWS Couplet Function (This function is only suitable for Bluetooth mode) : When you have two BT3401 Bluetooth speakers, by long press one of the "power button" pairing, Bluetooth connected to each other, the two speakers will automatically change to the left and right channels to produce stereo surround sound effect, to achieve true wireless stereo. Lighting Use: 1. The BT3401 Bluetooth speaker is equipped with 13 lighting effects. 2. When the device is powered on, the warm light effect is default. Tap the light button to adjust the light. FM Radio Use: Long press the M key to switch to FM function, and connect the charging cable to the type c interface of the product to act as a radio antenna. The other end does not need to be connected to any device. Press the pause key to enter the automatic search and automatic saving of the station, and select the saved station through +/-. Memory Card/ U Disk Function Use: When the memory card /U disk is inserted into the slot of the card, the corresponding voice prompt will appear, and the product will automatically read the audio file in the card and play it. Users can control the size and sound of the music by using the +/- button of the speaker. Clock Setting: Press the Time key to enter the clock/minute setting. Alarm Setting: Press the alarm button to enter the clock/minute setting. White Noise Use: Hold down the M key to switch to white noise mode. To Cancel the Alarm Settings: Long press the alarm button (the alarm mark disappears on the screen after successfully cancellling)