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. Item Type: Bluetooth Speaker Material: ABS, Fabric Bluetooth Version: V5.3 Wireless Transmission Range: Approx. 10m / 32.8ft Battery Capacity: Li Battery 500mAh (Shipped with Battery) Built in Voltage: 3.7V Battery Life: Approx. 2 Hours Characteristics: Bluetooth Connection, Auto Shutdown without Connection Hands free Calls Answering FM Radio, Memory Card Support, U Disk Reading, Audio Input DC5V, Type C USB Charging Dual Pairing Support 1 x Bluetooth Speaker 1 x Data Cable