Bluetooth specifications: JL Bluetooth 5.0 Product size: 138*50*86mm Transmission distance: 10 meters Power amplifier specification: 3w Battery size: 800mAh Playback time: 3-4h Connectivity TechnologyBluetooth, Auxiliary, USB, TF Card Special FeatureGIFT For women, Bass Boost, Portable, Built In Microphone, Usb Port 1. Bluetooth 5.0 Technology & Support TWS Pairing/TF Card/AUX/USB Playback:This speaker uses Bluetooth 5.0 technology, Which is compatible with almost all Bluetooth devices, and also supports TWS connection, Allowing you to enjoy true stereo sound. 2. Crystal Clear Sound & Loud Volume: Stunning stereo with deep bass--The bluetooth party speaker provides enhanced bass, clear mid and high sound with zero distortion. The excellent performance can bring you a concert-like experience. whatever you listen country music, rock music or popular music, it will let you feel at the real concert scene. Truelly a good atmosphere creator at your party, you will have a great party time with it. 3. Long Playtime & Fast Recharge: It makes portability even easier. Listen to music while you enjoy a long bike ride, watch TV shows, and streaming movies for hours, or finish an audio book while you work around the house-all wireless and without interruption. 4. Retro Design And Easy to carry: It features a vintage decorative design that blends modern technology and vintage classic aesthetics,The handheld strap design allows us to hang on the wall and take it outdoors, all convenient. This mini bluetooth speaker allows you to enjoy high quality music anytime, anywhere. 5. Gift Choice The lovely color and mini size make it to be the first choice for Xmas gift giving.