HM11 2nd Gen Retro Bluetooth Speaker Portable Wireless Speaker Support U-disk TF Card AUX - BluePremium Sound QualityEquipped with a 3W high-fidelity speaker and advanced audio chip,this Bluetooth speaker delivers Hi-Fi sound for an immersive music experienceBluetooth 5.0 ConnectivityFeaturing Bluetooth 5.0 technology,it ensures faster transmission,lower power consumption,and enhanced anti-interference ability,allowing seamless and stable connectionsTimeless Retro DesignDesigned with a classic rotary knob for infinite volume adjustment,it combines vintage aesthetics with modern functionality for a nostalgic yet practical experiencePortable and DurableLightweight and compact,this speaker comes with a sturdy leather handle,making it easy to carry outdoors without compromising durabilityVersatile Playback OptionsSupports multiple playback modes,including Bluetooth,memory card,U-disk,and AUX input,providing flexible options for all your audio needsSupport Hands-Free CallingEnjoy hands-free calling with a single button when connected to your phoneSpecifications:Connection method: Bluetooth connectionFrequency response range: 40HZ-20KHZOutput power: 3WWireless distance: 10mSignal-to-noise ratio: 75dBPlaying time: 6 hoursCharging time: 2-3 hoursMemory card: up to 32GBBluetooth protocol: 5.0Battery capacity: 400mAhBluetooth connection method: long press the power button in the middle,turn on the audio,then turn on the Bluetooth on the phone to find the Bluetooth "HM11",and just connect itPackage included:1 x Speaker1 x Charging Cable1 x English and Chinese User ManualOther things not included