Bluetooth speakers have become more and more common in our daily life, especially in recent years, the development of smart phones has become faster and faster. As an important peripheral of smart phones, Bluetooth speakers have also developed very rapidly. ROCK, as a peripheral supplier of smart phone protective case, characteristic mobile power supply and power supply equipment, is a well-known brand in the eyes of consumers. With the increasing demands of consumers, a single function Bluetooth speaker can no longer fully meet the needs of consumers. On the basis of high-quality Bluetooth speakers, Bluetooth speaker devices with additional functions can better meet the growing fun of life.

Today, the special product that the author brings you to experience is the ROCK optical audio Bluetooth speaker from ROCK, which integrates Bluetooth playback function, TF card playback function, audio input, Bluetooth hands-free call function and special waterproof night light function.

The package of the optical audio Bluetooth speaker is made of beautifully printed environment-friendly paper, and the external package of the Bluetooth speaker is named in English. From the picture, it can be clearly seen that the optical audio Bluetooth speaker supports lighting and Bluetooth speaker functions.

The back of the optical audio Bluetooth speaker is printed with the appearance of the product. The product provides two colors, black and local luxury gold, so that consumers can choose the corresponding products according to their own preferences.

The optical audio bluetooth speaker I experienced this time is a black version. The contents of the optical audio bluetooth speaker include the warranty card and instructions of the optical audio bluetooth speaker, an audio cable and a charging data cable.

The attached data line is a noodle line, which is of very good quality. At the same time, the data line provides a snap for fixing the data line, on which the ROCK mark is clearly displayed.

At the same time, 3.5mm audio cable is provided, which can easily connect the optical audio Bluetooth speakers to mobile phones or other player devices.

The appearance size of the optical audio bluetooth speaker is relatively large. The product size is 190 * 107 * 95mm, and the product weight reaches 640g. It is very important to carry it by hand. The waterproof grade reaches IP × 4, which can fully meet the use needs even in the bathroom.

The top panel of ROCK optical audio Bluetooth speaker provides four buttons, including the button for the previous/next song. These two buttons are reused as the volume increase/decrease button at the same time, and the switch of the light for lighting can easily turn on and off the light of the optical audio Bluetooth speaker and adjust the brightness of the Bluetooth speaker. The switch on/off button with many functions can reuse multiple functions, such as answering and making calls, playing control functions, etc.

The side of the light sound Bluetooth speaker is of arc design, which is very smooth to the touch without any uncomfortable feeling, while the silver frame design is above the white shell.

Anti slip pads are designed at the four corners of the bottom of the optical audio Bluetooth speaker, which can effectively increase the friction force, so that the optical audio Bluetooth speaker can be used more safely and is not easy to tilt.

The sound reinforcement part of the optical audio Bluetooth speaker is located at the top of the optical audio speaker, and the speaker part of the optical audio Bluetooth speaker can be clearly seen through the light transmission on the side. The sound outlet is located above the speaker.

The upper part of the optical audio Bluetooth speaker provides a handle for easy carrying. The fixed part of the handle adopts the wire drawing process, which looks very high-end and upscale.

Audio input, charging and tf card insertion function ports are provided on the top of the optical audio bluetooth speaker. In order to achieve the corresponding waterproof level, rubber gaskets are used for sealing. In addition to effective waterproof, it can also prevent dust.

The characteristic function of the light sound Bluetooth speaker is the stepless dimming LED light function. The brightness of the Bluetooth speaker can be adjusted freely by using the buttons, which is very suitable for use in various occasions at home. According to the actual measurement of the author, the photoacoustic Bluetooth speaker has the function of built-in lithium battery. The charging time is about 4 hours. After full charge, 80% of the volume is used for playing. The actual measurement of the author shows that the playing time is more than 6 hours. For the lighting part, after full charge, the continuous lighting time is more than 8 hours under the maximum brightness, As an auxiliary lighting lamp, it can listen to music for about an hour every day, and the lighting duration is about 30 minutes to an hour. It can be charged twice a week. It is very convenient to use. It is worth mentioning that the daily lighting of the optical audio Bluetooth speaker is independent of the speaker's on-off function, that is, the lighting function of the optical audio Bluetooth speaker can be used normally without turning on the Bluetooth or speaker's playback function.

The light sound bluetooth speaker can be conveniently used as a bedside lamp. It is a good choice whether it is used for lighting at night or as a fun lamp. It is also a good choice if it is placed next to the TV for daily lighting. At the same time, it can be used as a handicraft. The effect is very good. Similarly, the light sound bluetooth speaker can be placed on the tea table in the living room, In the process of watching TV, it is used for daily lighting and auxiliary lighting.

In terms of sound quality, the author used Cai Qin's "Ferry" for audition, and the music performance of ROCK optical and audio Bluetooth speakers is very good, with good vocal performance, full voice, and clear hierarchy, which is very suitable for listening to pop music, while the potential is slightly insufficient in low-frequency. The optical audio Bluetooth speaker supports three ways of audio input, the Bluetooth playback function. How to use the mobile phone music playback function will not be described here, but simply connect to Bluetooth through settings and then play songs, which is a very familiar playback method. At the same time, the optical audio bluetooth speakers can be conveniently played directly to the mobile phone through the accompanying audio connection cable. The optical audio bluetooth speakers support the tf card play function, but at present, they only support MP3, WMA and WAV formats, and do not support the common lossless format APE and Flac. There is no need to set up an optical audio Bluetooth speaker. After Bluetooth playback or power on, the audio cable will automatically switch to the audio input and playback function.

Summary

ROCK optical audio Bluetooth speaker, with a variety of audio input methods, is very convenient to use, especially suitable for listening to popular music. At the same time, it has stepless dimming function. It is very good whether used as a bedside night light or as an ornament.