Options: Choose from blue, orange, grey, green, red, red&blue, and black. Speaker: Get a portable Bluetooth speaker. Function: Take the music with you anywhere! Features: 10m wireless transmission range, v5.0 bluetooth version, 3H~4H normal volume playback, ≥ 90db audio-to-noise ratio, and 3.7V built-in volatage. Size: 68.8 × 68.8 x 160mm. Power: Charging voltage - 5V/500MA, battery capacity - 1200mAh. | Portable Bluetooth Speaker - Black | Wowcher