V4.0 Wireless Bluetooth Headset Mini Invisible Bluetooth Earbud In Ear Earpiece Universal Earphone with Micrphone Compatible with Samsung Galaxy S9 S9 Plus S8 S7 S7 Edge Lg Google Nexus Wiko Blue Built-in DSP audio processing system, can be a very good eliminate Noise and echo, to ensure clear communication, and music. Easy operation and Outstanding Voice Quality Wireless Bluetooh , Easy access to music or phone calls wirelessly Compact, ultra mini design, light weight, popular and easy to carry,Supports two bluetooth devices simultaneously connected. Bluetooth version:V4.0 + EDR, wireless range up to 10 meters.works for all Bluetooth mobile phones