Bluetooth Version: V2.1
Colour: Green, Red, Blue
Material: Plastic Operating range: Function: Song Switch, AUX External Audio Music Playing, waterproof, Voice Control, Switch Song, Stereo, Micro SD/TF Card Music Playing, FM, Sport Application: Mobile Phone, Computer Music Time: 2-3 Hours S/N: =95d B Interface: 3.5mm Audio, Power Charger, Aux, USB (Universal Serial Bus) 2.0 Input: DC 5V Battery Type: Built-in Rechargeable Battery Model: D3