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. Supports hands-free call with built-in microphone.Supports TWS function, two of them can connect to each other for stereo and powerful rich sound.Rechargeable 400mAh battery offers 2-3 hours of playing time. BT 5.0, stable signal, more power saving.Mini size, with a portable lanyard, you can hang it on your backpack, or just put it in your bag.3W internal magnetic horn brings you perfect music and high-quality loud sound.How to activate the TWS function:Activate true wireless stereo sound by pairing 2 L01 speakers. Turn 2 speakers on and double press the power button of one speaker, then two of them will pair automatically.Specifications:Brand Name: LenovoModel Number: L01BT Version: 5.0Operation Range: 10m (no obstacle)Power Output: 3WHorn: 36mm, 43WFrequency Response Range: 20Hz-20KHzBattery Capacity: 400mAhMusic Playing Time: 2-3 hoursCharging Time: about 2 hoursStyle: Black, White, Pink, Blue, Yellow (Optional)Item Size: 4.5*4.8cm/1.77*1.89inItem Weight: 55g/1.94ozPackage Size: 7.0*7.0*5.0cm/2.75*2.75*1.96inPackage Weight: 101g/3.56ozPackage List: 1 * BT Speaker1 * USB Cable1 * Lanyard1 * User Manual