Features: Bluetooth 5.0 wireless transmission technology, offering stable and high speed transmission Built-in wide frequency noise reduction mic delivers high clear voice to achieve hands-free calls Built-in 52mm speaker and independent brings your excellent music enjoyment Support TF card music playback, plug & play，Phone and ect Connect to computer, phone, game console and other digital devices via 3.5mm audio cable，also, you can turn on the RGB ambient Light button. Widely compatible with Bluetooth-enabled device, smartphone, table, laptop ，game console and ect 1800mAh large battery capacity provides long working time up to 20hrs（Playback duration depends on sound quality and volume） Accompany you to enjoy the good times brought by music, games, movies and more. Mini size, less space, portable along with you to anywhere you want ,also,your child must be love it If you r a radio lover, You should definitely take it with you because you know how to growth your cable anywhere , stop worrying about without radio or music Specification: Bluetooth Version: 5.0 IPX6 water and dust proof rating Working Voltage: 3.7V Speaker: 52mm 5W Frequency Response: 80Hz-15KHz SBR: 85dB Distortion Factor: 0.5-1.0% Battery Capacity: 1800mAh Charging Time: 3-5hrs Bluetooth Distance: >10m Aux-in Jack: 3.5mm TF Card: Support up to 128GB (TF card not included) Product Size: Width 8.5cm x Height 11cm x Long8.8cm Note: Please allow 0.2-0.8mm difference due to manual measurement and slight color variation for different display setting. Package Including 1 x Bluetooth Speaker 1 x Audio Cable 1 x Charging Cable (also as a signal receiving line） 1 x User Manual