audio-video equipment: AA AA AA

Wireless Bluetooth receiver for cable headphones and audio sets
Built-in sensitive microphone - hands-free function
Support for all devices with 3.5mm jack or AUX jack (headphones, speakers, car radios, etc.),
Built-in lithium polymer battery - up to 3 hours of operation

• Enclosure with powerful power bank
• wireless connectivity via Bluetooth V5.2
• range up to 10m
• Working Time: Up to 8 hours / up to 44 hours with charging case
• Built-in sensitive microphone
• compatible with Android, iOS, Windows