X-mini has released many nice portable speakers, and recently it also added Bluetooth wireless technology into their mini speaker, and released X-mini Kai portable wireless speaker.
X-mini Kai is an ultra portable wireless speaker that measures 50 x 62mm and weights 95.2g. The mini speaker comes with a built-in 40mm speaker driver featuring 2.5W output, 100Hz-18kHz frequency response, 89dB signal-to-noise ratio and 0.3% distortion, plus the built-in Bluetooth module with A2DP wireless audio technology in order to deliver you big, bold sound for your favorite songs and music in a wireless way, and the integrated audio input allows you to connect the portable speaker to any music player with 3.5mm audio jack. Moreover, the built-in microphone has been ready for your hands-free calls. Apart from that, the built-in 550mAh rechargeable battery offers you up to 8 hours of playback time.
X-mini KAI portable speaker is priced at SGD139 (approx $110 USD). If you’re interested, jump to X-mini official site for more details.