1）Support for hands-free calls, built-in microphone and can adjust the volume by the product
2）2.1 Bluetooth Technology is suitable for iPhone, iPad and all product with Bluetooth device
3）Playing time can be up to 3 – 7 hours
4）The material : Silicon
5）Surface treatment: hot oil, greatly increases the feel of the product and wear resistance and waterproof performance
6）Output: RMS DC4.2V 2W THD+N=1%
7）Input sensitivity: 92DB
8）Frequency: 20HZ-18KHZ
9）Power supply: USB 5V
10）Under the silicon sucker, facilitate the adsorption mobile phone, computer, window and table