feature 1: Outdoor Bluetooth Speaker feature 2: Portable Sound Stereo Subwoofer feature 3: Music Subwoofer Player feature 4: Support TF card, USB Slot, Aux, Bluetooth feature 5: Mini Retro Sound box Specifications: Output power: 3W Battery capacity: Lithium battery 400mAh Play time: about 2-4 hours (depending on the volume level) Charging time: about 2-3 hours Support: Bluetooth, TF card, USB, AUX Bluetooth version: V5.0 Bluetooth distance: 10M Material: plastic colour: blue Package Contents: 1 x Retro 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.