Material-Stainless steels metal and ABS plastic,there are three layer structure to protect the speaker.First layer: Double-sided protective cover; Second layer: ABS plastic protection; Third layer: Stainless steel metal.
Wireless Bluetooth Speakers-Using Bluetooth 4.1 version advanced technology,can be faster and more stable transmission of data,more power saving and make sure to connect your device within 3 seconds,connection range up to 33 feet.
Mini Ultra-portable-Only 300 grams,light weight and small volume,easy to carry,IPX6 waterproof,shockproof, dustproof and come with Hi-Fi sound quality,lithium ion rechargeable battery enjoy up to 10 hours of uninterrupted music play in a single charge,perfect for outdoor party, camping, poolside, beach and outdoor Sports, Travel, Bicycle/Bike, Cycling, Climbing.
App Smart Operating-Only support IOS System,you can contral the songs on you mobile phone through APP,pick your favorite music to play at anytime and anywhere.Support TF/SD card,insert the TF/SD card to speaker card slots,then you can enjoy your music world.
Call and Safety Function-Build-in high sensitivity microphone to connect with your phone for wireless calls,realized hands-free telephone answering, Reflective lanyard safety design, can enhance outdoor safety at night. durable strong,can be used for both wristband and lanyard;Weaved by reflective material,can be used a luminous warning at night.