**** [Shopping instructions] * * * *Please read the shopping instructions carefully before purchasing to avoid misunderstanding. After placing an order, you will agree by default!1. Color difference of products: all pictures of our products are taken in kind, but there will be color difference due to different light, angle, display and contrast. If you mind, please purchase carefully.2. Your receipt information: before payment, please make sure that the order information (commodity, recipient's name, contact information, and recipient's address) is correct. Make sure that the order information is correct before you place an order, if you need to modify it after payment, please contact customer service in time.3. Shipment time: after you place an order, the spot goods will be shipped within 24 hours. The pre-sale goods will be shipped according to the pre-sale time on the page. It is recommended to place an order separately between the pre-sale goods and the spot goods.4. Return and exchange: Please check carefully whether the package is damaged or not before signing for the goods. Please check the goods as soon as possible after signing for the goods. After signing for the goods for 2 days, the goods received by default have no problem, and there is no product quality problem after unpacking, return and exchange are not supported; If you need to return or exchange goods without reason, please make sure that the returned goods, original packaging, tags, etc. are complete and intact. If they are not unpacked, the secondary sales will not be affected, and the shipping fee for the return shall be borne by the buyer. If you need to return or exchange products due to quality problems, contact customer service at any time.5. Praise and attention: our store offers irregular low-price promotions, limited-time sales, and new product recommendations. Welcome to pay attention to our store, and pay attention to courtesy, praise and courtesy; Our store operates in good faith, guarantees quality, if you receive any problems with the product, please contact customer service immediately, we will help you solve the problem, no negative comments;6. Customer service online Time: 10:00 a.m. -10:00 P.M. In case of special circumstances such as holidays, the customer service reception time will be slightly adjusted.Product BOROFONEApplicable scenarios: car, desktop, fitness, outdoor, home, mobile and portable, karaoke, live broadcast, square dance, broadcasting system, outdoor lawnTime to Market: 2023Connection method: Bluetooth connectionFrequency response range: 100 hz-20 kHzSnr: >=95dbNumber of speakers: 1Valid distance: 10mBox material: PlasticAppearance size: 80*80*62.2After-sales service: Three GuaranteesItem No.: BR28Color: black, red, gray, dark greenNoPower supply mode: lithium ,, Japan and South Korea, South