Anleo D1 Bluetooth Telephone Headset,Light Wireless Earpiece In-Ear Car Speaker Bose Beats with Microphone for Iphone 1. Hand-Free: Both the right ear and left ear are wearing comfortable. When driving or working, D1 Bluetooth Headsets could be a good choice for you. 2. Active Pairing: Compatible With All Bluetooth Enabled Phones, Easy Pairing and Multi-connection. 3. Long Lasting Battery Life: More Talking, Less Charging; Latest bluetooth 4.1 Chip, Low power consumption, Faster connection. 4. Smart and Clear: Bluetooth 4.1+A2DP Headset contains Clear Voice Capture (CVC 6.0) CSR's own echo cancellation for enhancing the audio quality of wireless products; Enjoy Clear Conversations On Both Ends Of The Call 5. Just Relax and Fun: Fashionable appearance and unique shape make you more acctive.