OTC Hearing-Aids, AFC Adaptive Whistle Suppression, INR Abnormal Noise Suppression, Adaptive Hybrid ANC, 16-channel WDRC, TWS Dual-emitter Technology, Master-slave Switching, Low Latency (Hearing Aid Mode), IPX4 Waterproof, Voice Assistant

• Product Model:BM668YF
• Bluetooth Version:V5.3
• Bluetooth Profiles:HFP,HSP,A2DP,AVRCP
• Transmission Distance:10m
• Talk Time:≥3h
• Music Playback Time:5.5h
• Standby Time:≥40h
• Battery(Headset/Base):35mAh/330mAh
• Charging Time:Approx.2h
• Driver:Ф13mm
• Audio Decoding:SBC,AAC