the unparalleled sound quality with our portable HiFi Outdoor Subwoofer Bass Box. This wireless Bluetooth speaker is designed to bring you superior audio experiences with its waterproof function, making it an perfect choice for indoor and outdoor uses. it offers versatile connectivity , including support for TF Card, USB, AUX, and even FM, to cater to all your audio needs. Enjoy listening to your favorite music tracks in astounding quality anywhere, anytime with our designed speaker. High-quality 1200mAh battery, 4 hours of volume playback Product Name:Waterproof Bluetooth Speaker Bluetooth/card/U disk/external input/voice call High-quality 1200mAh battery,4 hours of volume playback Speaker:Φ52MM 4ohm/5W*1 Bluetooth transmission distance:10M Net weight:363 grams Colour:Black Material:ABS Size:15.9x4.6x7.3CM Package Contents: 1 * 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.