Fineblue J3 Pro TWS 5.0 Wireless Two Ear Bluetooth Headset with 650mAh Charging Cabin & Support Language Wakeup(White)

1. Size charging compartment: 60mmx60mmx23mm 2. Speaker size: 10x3.0mm 3. Microphone size: 37x22x1.2mm 4. Large omnidirectional silicon microphone dynamic independent sound cavity full range 3D stereo cavity high-strength neodymium iron boron magnet 5. Connection:Bluetooth 5.0Effective distance within 10mSupport protocol HFP1.7 HSP1.2 A2DP13 AVRCP16 SPP1.2Charging compartment: Type-C interface 6. General: TWS automatic pairing automatic connection back to stereo surround sound field heavy bass Air true wireless master-slave switching Ai voice control key touch adjustable volume can cut songs 7. Endurance headset: polymer lithium battery (400909/about 30MAH) charging box: battery (802535/650ma) listening time about 3 hours talk time about 3 hours with the charging box it can increase the charging time of binaural charging 3-4 times About 1.5 hours standby time is about 60 hours