Cuffie da lavoro wireless Bluetooth 5.2 Cuffie da guida con gancio per l'orecchio singolo indolore Cuffie sportive con cancellazione del rumore con microfono

\r\n\r\n\r\n\r\n\r\n\r\nProduct Feature: \r\n270 degrees rotating design, suit for left and right ear.\r\nbluetooth V5.2 chip,stable singal transmission.\r\nVoice control call "Yes" answer "No" hang up,Caller ID broadcast\r\nBluetooth transmission distance: 10 meters.\r\nCreative hook design and only 14g weight,stable and comfortable.\r\nSupport adjust volume and change music\r\nBattery capacity of the headset: 300mAh\r\nNoise Reduction: CVC 8.0\r\nWorking voltage: 3.7V\r\nCharging voltage: DC5V \r\nCharging Time: about 1 hours\r\nTalking time: about 30 hours\r\nMusic time: about 25 hours\r\nFrequency response: 20 - 22kHz\r\nProducts include\r\n1 * Bluetooth headsets\r\n1 * Charging cable\r\n