J22 Bluetooth-compatible Receiver With Mic 3.5mm Aux Wireless Audio Amplifier Adapter Car Handsfree Kit black

Description

Bluetooth-compatible 5.0+EDR. Bluetooth-compatible transmission distance 5m. Frequency response: 20-20khz Support Bluetooth-compatible hands-free call function. Support Bluetooth-compatible A2DP stereo. Support answering, hanging up, rejecting, calling back and other telephone functions Support echo-cancellation and noise suppression (CVC) technology during calls Lithium battery specification: 250mA/h 602025. Charging time: about 2.5 hours. Working hours: about 8-10 hours.