The Plantronics Marque M155 is a Bluetooth headset launched by Plantronics in 2011. It is mainly small and thin. Bluetooth 3.0 and A2DP support, only 10g weight is quite small. Others include voice answering and supporting apps. Interestingly, the design of the answer key is quite consistent with the iOS Home key. The battery life is 5 hours for talking and 9 days for standby.

The Plantronics Marque M155 black historical price is $22.99, about 140 yuan, which is suitable for collecting orders. Taobao has a reliable price of about 220~270 yuan, with obvious price advantages. This style has two kinds of packaging, and the price is the same.