Features:  Bright RGB Colorful Lights Show - Cool and colorful lights will dance with the music melody, bring more color and rhythm to your music Create a personal exclusive stage now Increase three lighting play modes and a light switch button, meets your different needs.  Waterproof & Suction Cup - The newly upgraded IPX7 waterproof speaker, equipped with thickened waterproof and dustproof silicone plug. Let's bath in music heartily！A perfect partner for bathing/rowing/swimming/kayaking and all.   Stable Bluetooth 5.0 & Type C Charge - The Bluetooth speaker uses the advanced Bluetooth 5.0 seamless connection, compatible with most phones, laptops, tablets, and other Bluetooth devices, also support a micro SD card. The upgraded fast charging type C charging interface allows you to charge faster and more stably.  TWS Double Stereo - One-Click to open double stereo loud sound The wireless speaker is equipped with a TWS independent button, very easy to pair two LENRUE F9 speakers in Bluetooth mode. With a 5W high-quality speaker, still loud even in the shower and other noise.  Ready for Bike Ride & Outdoor - Portable Bluetooth speakers is equipped with tough silicone tape to buckled on the bicycle firmly, without install any bicycle bracket. And the carabiner clip can be locked backpack and where you want. Portable for hiking, camping, climbing, etc.    Specifications:  Connection method: Bluetooth connection;  Interface type: Type-C;  Power supply mode: USB;  Waterproof rating: IPX7;  Battery capacity: 2000 mAh;  Frequency response range: 60Hz-15KHz;  Output power: 5W;  Signal to noise ratio: ≥75dB;  Power supply mode: built-in lithium battery;  Play time: 8 hours;  Expansion storage: 32GB;  Bluetooth protocol: V5.0;  Effective distance: 10 meters;  Appearance size: 145*118*58mm;    Package Included:   1 * Waterproof Bluetooth Speaker;  1 * USB-C Charge Cable;  1 * Suction Cup;  1 * Carabiner Clip;  1 * Quick Start Guide