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
