1.Description:Lenovo L01 BT5.0 Wireless Speaker Portable 53.6g Lightweight Speaker with Mic/USB/IPX5 Waterproof/HD Voice Call/HiFiStereoSound/Deep Bass Speaker Wireless Device For Home Outdoor/Insertable Memory Card/Add Keys2.Features:Features advanced BT 5.0 chip supporting BT connection53.6g Lightweight and portable small body.Quality sound effect, super overall balance, full bass and loud trebleMulti-device compatibilityIPX5 Life waterproof3.Specification:Item name: Lenovo L01 SpeakerUpgraded VersionModel: L01BT version: 5.0Charging port: USBCharging voltage: DC 5VTransmission Range: About 10m (Obstacles Free)Built-in Battery: 400mAhFrequency response: 520Hz-18KHzMaterial: ABSProduct size: 48*45mmProduct weight: 53.6g4.Note:The battery usage may be slightly different due to the actual usage.There is a little of difference according to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.*Please do not immerse the speakerin water to prevent damage, thank you.5.Package List:1*Speaker1*USB Cable1*User Manual