Original Eurofone S6 Bluetooth Headset Intercom

-Intercom distance: 1.2km-2km -Bluetooth version: 5.1 -Talk time time: 32 hours or more -Smart screen 0.96 inches -Bluetooth intercom mode: 6 people group intercom -Connection method: series connection -Battery capacity: 800mAh -Noise reduction capability: above 120 km/h -Call: CVC noise cancellation -FM radio -Playback control (AVRCP) -Subwoofer earphones -Stereo music (A2DP)