Wireless Bluetooth Headset Noise Cancelling Stereo Earphone with Microphone Mic Handsfree Headphone Business Earbud Compatible with Cellphones Huawei P20 P10 Lite P9 Samsung Galaxy S8 S7 Edge S6 Black CSR Bluetooth Chip,Multipoint-connect to two bluetooth phones at one time,Crystal HD clear stereo sound based on dedicated dual mic noise reducing, noise cancellation,wind noise cancellation and echo cancellation,Bluetooth model headset/handfree/A2DP Incoming calls report, Support " yes" or "no" to answer or reject the call,Talk Time up to 4-5 hours,Stand by Time Up to 120hours Long talk / standby time. Universal Bluetooth V4.0 Compatible with Most Bluetooth Smartphone, Tablet, Laptop, PSP etc can listen to music with play/pause ,next, previous function,Build in Micphone, Transmission distance : Max. 10M/33FT (open space) Handsfree to talk and hear,no need to Lift your phone to make call when you are working and driving