Specifications:
Material:Silicone
Frequency response range:100 HZ-20 KHZ
Operation mode:Keypress
Expansion memory:32GB
Signal to noise ratio:More than 75dB
USB disk:Support
TF card:Support
Playback duration:6 hours
Port:USB
Shape:Baseball, basketball, football, golf
Battery:1200mAh built-in lithium battery
Speaker power:3W
Hands free call:Support