Welcome to our store! [High Definition Surround Sound] This bike speaker boasts an 8W large speaker with an independent diaphragm, delivering lossless HIFI and immersive audio. Built-in 2200mAh high-capacity battery ensures long-lasting playtime. [Outdoor Waterproof] Crafted from silicone material for a comfortable grip, with IP67 protection against rain, dust, snow, and spills. Enjoy great sound at home, on the patio, or anywhere else. [2 Playback Modes] Caters to your daily connection and playback needs. Supports TF card connection and Bluetooth connection with a Bluetooth 5.0 upgrade chip for multi-device compatibility and hands-free operation. [True Wireless Stereo Interconnection] Pair two speakers simultaneously (ensure Bluetooth is disconnected from other devices) to enjoy your favorite tunes anytime, anywhere. [Comes with Bike Mount] Includes a bike mount for easy attachment to your bike frame for on-the-go enjoyment, and a carabiner for maximum portability in a lightweight design. Take it with you on your outdoor adventures. Item Type: Cycling Bluetooth Speaker Material: ABS, silicone, mesh Rated Power: 8W Working Voltage: 5V 1A Waterproof Rating: IP67 Bluetooth Version: 5.0 Memory Card Support: 64G (max) Built-in Lithium-ion Battery: 2200mAh Battery Model: 18650 Package Includes: 1 x Bluetooth Speaker 1 x Bike Mount 1 x USB Charging Cable 1 x Carabiner 1 x Chinese and English Manual Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.