Product name: Bluetooth speaker Output power: 5W * 2 Rated voltage: DC 3.7V Bluetooth frequency: 2.4GHz Charging voltage: DC-5V 1A Description: Input / Output : TF Touch Screen : No Sound mode : 3D surround sound mode Category : Speakers Usage : Home Bluetooth version : 5.0 Input power (W) : 25W Voice Control : No Frequency range : 100Hz-20KHz Waterproof : Yes App support : No Memory card support : No Playback function : Radio, MP3 Remote control : Yes Audio crossover: Full range Number of speaker enclosures: 1 Power supply : Battery Channels : 2 (2.0) Function : Telephone function Battery : Yes Communication : Bluetooth Speaker Type : Bookshelf Battery Capacity: 1200 mAH Charging time: 30.5 hours size: 200 x 115 x 82mm Material: plastic colour: transparent Package Contents: 1 x Bluetooth Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.