LANNIU Wearable Speaker Bluetooth Speakers Portable Wireless Built_in Mic Handsfree Call_ Bluetooth 5_0 True 3D Stereo Sound Portable Speaker for Cycl

LANNIU Upgrade wearable BlueTooth Speaker has 4 3D Stereo Sound Player and microphone, support hands-free call function. One-click wakes up the phone's smart-voice-assistant and answers the call.  This Audiophile level speaker offers real stereo sound with ultra crisp highs and extra bass. This practically sized speaker is ergonomically designed, 90g only, so there is no need to worry during your regular activities. Wear this wireless bluetooth speaker while working, doing housework, driving, cycling, running, gaming or just relaxing at home.  Most importantly, you can also get to stay safe by being alert to your environment around. 1. True two-channel stereo, surround sound enhancement technology; 2. One key to adjust the volume and switch songs; 3. Support one-button wake-up smartphone voice assistant (requires device-side support); 4. Support Bluetooth 5.0 standard, easy to connect; 5. Support high-quality hands-free calling; 6. Ergonomic design.