Overview: Do you still bear some speakers with poor sound quality and short standby time? Do you still bear some single function speakers? Do you still bear some big volume speakers? The new arrived wireless round Bluetooth speaker was produced in order to solve all these problems! It is a multifunctional Bluetooth speaker; Bluetooth wireless speaker， unlimited fun; Portable speakers， double audio frequency decoding; Low frequency enhancement system， perfect sound performance; Built-in rechargeable lithium battery， music accompanied all day time! Enjoy this speaker's perfect sound experience freely!Specification:Brand: GS009Model: N/AQuantity: 1 Color: BlackMaterial: Engineering plasticBuilt-in Battery Voltage: 3.7VBattery Capacity: 450mAhCharging Voltage: 5V 500mASpeaker Driver: 40mm 4Ω 3WFrequency Response: 60Hz-18 KHzS/N Ratio: ≥95dBDistortion: ≤0.5％FM Function: YesSound Effects: Virtual surround soundFeatures:High-capacity polymer lithium battery， standard USB charging port Advanced intelligent decoding， can support for external audio devices such as MP3 playersNoble metals strong driver speaker， 3D digital dynamic bass engine technology， and the sound quality is supper shocking The perfect combination of S-BASS bass and special sound chamber structure， impressive bassStereo headphone output， perfect exclusive private personal spaceBreakpoint memory play function， precise remembers the last playback positionAdvanced Bluetooth function， built-in microphone， clear voice call function with high sensitivity， can be paired with any Bluetooth-enable devices， to remove the intermediate leads， the distance up to 15 meters (Suitable for Bluetooth products)Packing List:1 x Speaker1 x Audio Cable (55cm)1 x USB Charging Cable (50cm)1 x English User Manual