If you are satisfied with our products, please give us five-star rating. Welcome to our store. I hope you have a wonderful shopping experience. Thanks Specifications: This wireless speaker also supports voice broadcast and HD-compatible hands-free calling, which is multifunctional and practical. Stable transmission as well as HiFi, loud and clear sound sound effect of this wireless speaker is supported by its Bluetooth-compatible chip. Made of ABS, this wireless speaker is eco-friendly and durable to use. This wireless speaker is suitable for being used in home, shop, outdoor, cycling and so on. The length of this wireless speaker is 12cm, width is 8cm and height is 3cm. Item Name: Bluetooth-compatible Speaker Battery Capacity: 500mAh(Included) Waterproof Grade: IPX4 Bluetooth-compatible Protocol: 4.2 Features: High Fidelity, Subwoofer, IPX4 Waterproof Playing Time: 3H Number of Speakers; 2 Effective Distance: 10m Material : ABS Manual : no Size Details: 12cm x 8cm x 3.2cm/4.72 x 3.15 x 1.26 (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 Speaker 1 x Charging Cable