For sale: Portable Bluetooth speaker, model Chappeline Mini (BL3). New. Limited quantity. Specifications (documented from the product box): Series Connection feature - you can connect two units together for amplified sound. (Battery/AC) Sound Output: 3W (powerful) Frequency Range: 100Hz - 20KHz Supports playback formats: APE, MP3, FLAC Bluetooth for wireless connection Top control buttons (On/Off, track change, volume control) Box contents: Speaker + USB charging cable + Wrist Strap Price: 22 SAR. Note.