Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Bluetooth Version 5.0 New Lemon Wireless Mini Bluetooth Small Speaker Portable Cute Phone Neck Hanging Small Speaker Feature： Round product design, safe and reliable, can be hung on the body, convenient and reliable, just like your companion with you Bluetooth fast connection, stable sound quality, and a pleasant experience without constraints Supports Bluetooth connection, audio interface, mobile storage device , three playback modes, and can listen without Bluetooth You can check battery issues on your phone for more user-friendly use The transmission distance can 10 meters and the battery life can 5 hoursStable audio transmission speaker and a small body with a voice, presenting soft and stunning music for you Product parameters： Bluetooth name: BM28 Frequency response range: 100HZ-20KHZ Range: 4-5 hours ut power: 3W Bluetooth version: 5.0 Product Material: Silicone Color: yellow, blue ,pinks SIZE : 1.7×1.7×1.71 inch Product weight: 0.13 Ib Gross weight: 0.2 Ib Packaging size: 2.32×2.76×2.32 inch The Package Include： 1 × Charging cable 1 × Instructions 1 × Bluetooth audio Feature： Round product design, safe and reliable, can be hung on the body, convenient and reliable, just like your companion with you Bluetooth fast connection, stable sound quality, and a pleasant experience without constraints Supports Bluetooth connection, audio interface, mobile storage device , three playback modes, and can listen without Bluetooth You can check battery issues on your phone for more user-friendly use