2 to 5 business days
Widelycompatible with most Bluetooth-enabled devices (iPhone, iPad, iPod, Mac,Smartphones, Tablets), also support TF card to play music.
Built-in2500mAh battery 3.7V/DC5V
Hands-freeSpeakerphone, when connected to your smartphone, enjoy clear hands-free calls.
Chargingtime: 1.5-2 hours, up to 8 hours playback time.