【Dual Microphone Support】Y15 outdoor speaker features dual microphone capability, perfect for duets and group singing sessions. 【RGB Ambient Lighting】Enjoy 12 different dreamy RGB lighting effects, creating an immersive atmosphere for your karaoke parties. 【Powerful Sound】Equipped with 40mm and 52mm speaker units, delivering 5W*2 output power for rich, room-filling audio. 【Versatile Connectivity】Supports multiple playback modes including Bluetooth-compatible 5.3, TF card, AUX, and U disk, with expandable storage up to 32GB. 【5 Preset Sound Effects】One-touch switch between 5 different audio effects, enhancing the singing experience for both adults and children. 【Compact and Portable】With dimensions of 197*119*73mm, this small-sized speaker is perfect for both outdoor and home use. Specifications: Product model: Y15 Output power: 4Ω 5W* 2 Lighting: 12 kinds of dreamy RGB lighting effects Power supply: 3.7V Bluetooth-compatible version: 5.3 Material: ABS Speaker unit: 40mm speaker + 52mm speaker Battery capacity: 1800mAh Play mode: Bluetooth-compatible/TF card/AUX/U disk Extended storage: 32G Microphone function: support dual microphones Charging power supply: DC 5V1A Product size: 197*119*73mm Charging time: about 3 hours Discharging time: about 1.5-5 hours