Wearable Bluetooth Speaker, Clip-On Wireless Portable Speakers, Waterproof Speaker- Built-in ENC Mic - Large Tactile Control Buttons Hands-Free For Work, Outdoors, Calls Ultra-light Small and Clip On Design: Bluetooth Speaker features improved 5x stronger clip for ultimate durability. Outdoor Speakers easy open be clipped anywhere. It's good for working/running/biking/hiking. Upgraded Bluetooth 5.4 and Enhanced : Portable Speaker equipped with bluetooth 5.4, 0.1s low-latency with up to 90% faster transmission speeds than before. M3 bluetooth speakers wireless use N52 powerful driver, increased by 85% and 50% volume. Can be heard clearly outdoors. Easy Controls Button: The Small Portable features big sized multi-function buttons that are easy to use use with gloves on. Adjust the volume, switch tracks, answer or hang up a call effortlessly, ensuring you can control your music without interrupting your workflow. 1. Active noise cancellation eliminates call noise and 2. Level 5 waterproof and dustproof 3. Compact and with a back clip for easy portability 4. 5 hours of battery life 5. Battery capacity: 600mAh 6. Bluetooth transmission range: approximately 10 meters 7. Charging current/duration: 590mA/2 hours 8. Bluetooth version 5.4 Color: Black Material: ABS Package Contents: 1 x Bluetooth Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.