Plantronics / Plantronics backbeat Fit 2100 Bluetooth Headset Sport

Product Name: Plantronics BackBeat FIT 3100 Brand: Plantronics / Plantronics Model: BackBeat FIT 3100 Function: Support music : 2 Bluetooth version: other Color classification: National Bank boxed brand new pened black FIT3100 National Bank boxed brand new pened gray FIT3100 Package type: standard How to use: Hanging ear Transmission radius: 10m Whether single or both ears: bilateral stereo Time to market: 2018-8-20 Transmission radius: 10m Comfortable, stable and free movement in line with ergonomic design Soft, elastic and three-dimensional mesh design ear hang combined with silica gel material earplug wear more suitable and stable, not easy to fall off, free movement Waterproof Design Sports IP57 Class Dust-proof and Waterproof Whether you are running in the gym or outdoors, you can wantonly exercise and sweat.