I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Thank you for shopping and have a nice day.Description:With bluetooth-compatible 5.0 chip, the wireless speaker has high performance of 10m transmission space. It is enjoyable that the wireless speaker has excellent stereo sound effect. With exquisite craftsmanship, the wireless speaker is durable.The bluetooth-compatible speaker has a mini compact size, which is portable. You can use the speaker for a long time, which has large capacity battery.Made of premium aluminum alloy and electronic component material, the bluetooth-compatible speaker is reliable.Diameter of the bluetooth-compatible speaker is 3.8cm and height is 4.5cm. You will have 4 hours of music with the bluetooth-compatible speaker.It is suitable for home, office, travel, dormitory, etc.Item Name: bluetooth-compatible SpeakerMaterial: Aluminum Alloy,Electronic ComponentCharging Time: 2 HoursBattery Capacity: 450mAh (Included)Charging Voltage: 5VPlayback Time: 4 HoursFrequency Response: 20Hz-20KHzBluetooth Version: 5.0Signal to Noise Ratio: ≥80dBDistortion: ≤1%Speaker Diameter: 36mmHorn Specifications: 4Ω3WSize Details: 3.8cm x 3.8cm x 4.5cm/1.5" x 1.5" x 1.77" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Speaker1 x USB Charging Cable