[Bluetooth 5.0]: The speaker uses Bluetooth 5.0 technology to maintain a strong connection up to 10m and can connect to your mobile phone in less than a second. You can also switch freely to listen to your favorite music via AUX, memory card (not included) and USB flash drive (not included).[5W Speaker]: The bluetooth speaker has 5w speakers to handle the audio output, the sound is very resounding without any distortion. Turning up the volume can make the sound reverberate throughout the space, giving you a live concert experience.[Rechargeable]: The vintage Bluetooth speaker has a 500mAh rechargeable battery and can play for up to six hours. Whether you're cooking, taking parties, hiking, riding, or at the beach, you can listen to great music without worrying about running out of battery.[Retro Design]: The bluetooth speaker has retro elegant color and appearance, bring you a nostalgic emotion. can be placed as an exquisite decoration to show your unique appreciation, very suitable for families, friends and music lovers as a lovely gift.[Portable]: The retro Bluetooth 5.0 speaker is very light, palm sized and equips with a leather wristband, making it sturdy and portable to take with you and listen to music anywhere and anytime.