Founded in 1946, JBL is Harman's famous top audio brand. In the past 70 years, JBL has been offering excellent audio products that meet different personality and sound quality requirements for music lovers and enthusiasts of different ages and levels throughout the world. Among them, the SD series released in 2014 is JBL's multi-functional speaker that integrates pure hum, simple styling, multiple inputs, and close to the consumer price for Chinese consumer demand. Today, Xiao Bian’s evaluation is the latest model SD-18 listed in the series. As a multi-function Bluetooth speaker owned by JBL, SD-18 has 5 input modes for Bluetooth, USB, TF card, AUX and FM radio, plus the “gene†that JBL products, such as exquisite appearance and beautiful timbre, always have. Can be called the "top product" in the market for similar products. Although JBL SD-18 was born absolutely "prestigious," but its official e-commerce offer was only only ¥ 499.  JBL SD-18 Multifunction Bluetooth Speaker - Packing & Accessories JBL SD-18's packaging carton design is very simple, the white part only printed product map and simple function introduction, but the conspicuous orange brand LOGO, is still clearly communicated to us, it is JBL pure "descent" The product. The SD-18 box has a circular transparent sealing tape attached to the lid of the box (opening the gospel of the gospel...). After the box is opened, the carefully packaged host and accessories can be seen on the plastic cushion with buffer structure. Warranty card and documentation. The paper product warranty card is a certificate for consumers to enjoy Harmony's one-year warranty, although the quality of JBL products can be completely assured, but after the purchase is still recommended to take good care of. Because the SD-18 is powered by a built-in lithium battery, and the main audio input is also Bluetooth, USB, and AUX, so in the standard accessory, one USB cable and one 3.5mm audio cable can fully meet the needs. JBL SD-18 Multifunction Bluetooth Speaker - Appearance & Analysis JBL SD-18 has two black and blue color matching styles to choose from. You can tell through the product pictures on the packaging box. The Xiaobian's evaluation is the black one with relatively low profile. The exterior appearance of the SD-18 inherited the JBL's consistent design style. The elliptical, pebble-like black host embodies simple elements everywhere. No matter what kind of environmental style it is in, I believe that it will not show up unexpectedly. The body size of the JBL SD-18 is only 145x80x32mm and the weight is only less than 300g. It can be easily carried in a pocket, a carrying case, etc. The front side of the main body of the SD-18 is a speaker area under a ferrous metal grille decorated with silver-tone brushed LOGO. Two 1.3" and 2.5W full-frequency units and one passive unit (passive radiator) are installed inside. This group of "little guys" is not big in size and power, but its performance in the back auditions is not bad. The 850mAh built-in lithium battery guarantees JBL SD-18 continuous playback for 6 hours, but it takes only 210 minutes to fully charge the battery. The rest, such as the model, origin, serial number, and various types of certifications, are located on the underside of the SD-18 body with anti-slip rubber feet. JBL SD-18 Multifunction Bluetooth Speaker - Control Keys & Interface JBL SD-18's control buttons, connectors and LCD screens are distributed on both sides of the body that are easily accessible. On the top side, the SD-18 is equipped with 6 control keys and a monochrome LCD screen. The central monochrome LCD screen can display various information such as on/off, power, input method, volume, playback duration, and radio. The two sides of the LCD screen are circular control keys for controlling the previous, next, play/pause and control volume +, volume -, and power/input switching respectively. On the bottom side, there are 5 SD-18 interfaces. From left to right, they are 3.5mm output for headphones, Micro USB for charging, TF card for playback, standard USB for playback, and 3.5mm input for playback. interface. Through the TF card and USB interface, JBL SD-18 can support MP3, WMA, APE, FLAC and WAV format audio file reading and playback, which TF card can support up to 32GB of SDHC (high-capacity SD memory card). Finally, through the lanyard hole on the right side of the interface area, you can also hang the JBL SD-18 in any place you need, such as a belt or a backpack, so that you can walk and put your music on the go. JBL SD-18 Multifunction Bluetooth Speaker - Listen & Summary Finally, in the subjective listening session, although JBL SD-18 has five input methods, but as a Bluetooth speaker (Bluetooth version 4.0, support A2DP 1.3, HFP 1.6 and AVRCP 1.4 and other agreements), Xiao Bian decided Connect your mobile phone to wirelessly play 3 favorite songs for evaluation. First, press the power button of the SD-18 to turn on the phone, and then press the power button to switch to the Bluetooth input. After the bt word appears on the LCD screen, you can find it on the Bluetooth interface of the smartphone. With one click, you can connect successfully without having to enter your PIN. After the connection was successful, Xiaobian used the Android 4.4 system's own player to play Adele's "Hello", Jon Schmidt & Steven Sharp Nelson's "The Cello Song" and Ellie Goulding's "Love Me Like You Do". 3 "good heart". During the audition process, the SD-18's 33mm full-range unit is ready to provide a full-featured, dynamic "U.S. sound." Of course, due to the limitation of the number of units and the size of the sound cavity, there is still a lack of transparency in the midrange and the breadth of the treble. But overall, in the same price segment, its performance is remarkable. Conclusion: In summary, the SD-18 is a multi-functional Bluetooth speaker that combines the advantages of an exquisite appearance, lightweight body, brilliant sound, 5 inputs, and 6-hour battery life. With its "original background" of JBL and the official quotation of only 399 yuan, it is believed that it is one of your ideal choices whether you are listening to music, singing or partying. 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JBL SD-18 Multifunction Bluetooth Speaker released in March 2016
JBL SD-18 packaging carton design is very simple 
JBL SD-18 box cover is affixed with a round transparent sealing paste 
JBL SD-18 Host, Accessories, Warranty Cards, and Documentation
The evaluation of JBL SD-18 is black 
The body size of the JBL SD-18 is only 145x80x32mm 
The main body of the JBL SD-18 is the speaker area under the ferrous metal grille 
Models, origins, serial numbers, and certifications are located on the underside of JBL SD-18.
JBL SD-18 controls, connectors and LCD screens are located on both sides of the body 
The center of the top side, monochrome LCD screen can display on/off, power, input method, volume, playing time and other information 
On the bottom side, there is a 3.5mm output, Micro USB, TF card, standard USB, and 3.5mm input connector 
Through the lanyard hole on the right side of the interface area, you can also hang JBL SD-18 on belts, backpacks, etc.
Subjective audition session, Xiao Bian decided to wirelessly connect mobile phones to play songs for evaluation 
Bluetooth Connection Steps for JBL SD-18 
Subjective audition session with songs
Disposable vapes have become an increasingly popular choice over the past year or so. Longtime vape users have warmed to them as practical backup devices for on-the-go use, whilst their straightforward design has made them an ideal vape starter kit for new users looking to quit smoking. But what exactly is a disposable vape, and how does it work?
Disposable vape pens are as straightforward as regular vape kits -if not more so -and it`s partly this ease of use which has made them such a popular choice for old and new vape users alike. Nevertheless, there are a few key differences one should be aware of before choosing a disposable e-cig.