Overview:You can listen to music by pairing your BT-enabled audio devices with the speaker, which also supports TWS function. Mini and portable, you can just put it in your pocket, or hang it on your backpack with a lanyard. It is perfectly suitable for home use, office use, and outdoor activities.Features:Plays wireless music from your BT-enabled audio devices. It can also work as a remote shutter.Supports TWS function, two of them can connect to each other for stereo and powerful rich sound.Rechargeable 500mAh battery ensures about 4 hours of music playing. Includes a charging cable.With a portable lanyard, you can hang it on your backpack, or just put it in your bag.Built-in 3W speaker brings you perfect music and high-quality loud sound.How to activate TWS function:Activate true wireless stereo sound by pairing 2 C3 speakers. Turn the 2 speakers on and double press the power button of one speaker, then two of them will pair automatically.Specifications:Model Number: C3BT Version: 5.0Operation Range: 10m (no obstacle)Power Output: 3WFrequency Response Range: 20Hz-20KHzBattery Capacity: 500mAhMusic Playing Time: about 4 hoursCharging Time: about 1 hourStyle: Black, Red, Green, Blue, Yellow (Optional)Item Size: 4.0*4.6cm/1.57*1.81inItem Weight: 55g/1.94ozPackage Size: 10.0*6.5*5.4cm/3.93*2.56*2.12inPackage Weight: 86g/3.03ozPackage List: 1 * BT Speaker1 * USB Cable1 * Lanyard1 * User Manual (English)