Dudao wireless Bluetooth headset with micro SD card slot black (X22 black)
Bluetooth solution: CSR8615
Bluetooth version: V 5.0
Speaker type: Φ40mm@32ohm
Operation range: 8-10 meters
Talking / Music time : over 6hrs
Charging time: 2-3h
battery capacity: 400mAh
Color: black, gold
Language: Chinese, English
Support TF card to play music, A lightweight neckband provides support, multi-size Eartipsand wingtips deliver a tailored fit, the earpods shape earplug offers a secure hold.
Magnetically clip together for simple storage.
Led indicator to show pairing, connecting, play music and charging status.
Thanks to the sweat-resistant materials it is practical to wear whilst working out.
Removable loops at both ends of cable help to adjust the cable length thus avoid noise caused by cable swing.
A full charge (2-3 hours) provides enough juice for 6 hours of audio or talk time.
Support volume synchronization, and support battery power synchronization with iPhonesand some smart phones with Android systems.