Feature:1. Rainproof Design: This Bluetooth speaker is rainproof, can withstand harsh weather conditions, allowing for outdoor activities such as cycling, hiking, camping, etc.2. Dual Pairing: The wireless Bluetooth speaker adapts dual pairing technology, providing stereo sound effects to make the music more dynamic.3. Fashionable and Dependable: The stylish and sturdy fabric material effectively protects the outdoor speaker, also adding a fashionable and elegant appearance for long lasting use.4. Multiple Function: The speaker has built in card slot design, also supports memory card, supporting FM radio, allowing you to play music and radio anytime, anywhere with convenience.5. Portable Design: The cycling speaker is Lightweight and easy to carry, also compact for easy storage, allowing you to enjoy premium music anytime.Specification:Item Type: Bluetooth SpeakerMaterial: ABS, FabricBluetooth Version: V5.3Wireless Transmission Range: Approx. 10m / 32.8ftBattery Capacity: Li Battery 500mAh (Shipped with Battery)Built in Voltage: 3.7VBattery Life: Approx. 2 HoursCharacteristics:Bluetooth Connection, Auto Shutdown without ConnectionHands free Calls Answering FM Radio, Memory Card Support, U Disk Reading, Audio InputDC5V, Type C USB ChargingDual Pairing Support.Package List:1 x Bluetooth Speaker1 x Data Cable