Lenovo ThinkPad Stack Bluetooth Speaker, the Mobile Conferencing and Entertainment Tool
Bluetooth 4.0 paring
Embedded Li Battery for 8 hours playback
Noise reducing technology
D notes solution to provide the premium sounds
76.8 mm x 28mm x 136 mm / 0.24Kg
https://www3.lenovo.com/us/en/accessories-and-monitors/thinkpad-stack/stack-bluetooth-speakers/AUDIO-BO-TP-Stack-Bluetooth-Speaker/p/4XD0H34183
外國賣USD89.99
95%新, 賣$350, 有意請PM或留電話, 沙田或鰂魚涌交收, 其他地方另議