Portable Bluetooth V4.1 Stereo Speaker with Strap, Built-in MIC, Support TF Card & AUX IN, Bluetooth Distance: 10m

1. Designed with mesh premium, you can enjoy music with the case on
2. Protect your speaker out of Scratches
3. With strap, easy to carry outdoor
4. Bluetooth version: 4.1
5. Battery charge time: about 3.5 hours
6. Music play time: up to 15 hours
7. Battery type: Lithium-ion Polymer(37Wh)