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

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)