Sanwa Supply Ultra Light Bluetooth Headset MM-BTSH71BK 4969887575970

An open-ear headset that allows you to hear surrounding sounds without blocking your ears. ●Mass: approx. 21g●Color: Black●Wearing method: Open ear●Interface: Bluetooth 5.2●Headphones section (frequency characteristics): 20-20000Hz●Driver unit: 15 x 11mm●Microphone section (format): Dual microphone noise cancellation ●Microphone section (directivity): Unidirectional ●Input sensitivity: Main MIC/-38±2dB, Sub mic/-40±1dB●Communication distance: approx. 10m●Power supply: Lithium polymer battery●Warranty period: 1 year●Accessories: USB charging cable (USB Type-A to C)●Battery capacity: 400mAh●Charging time: 2 hours●Maximum continuous playback time: 8 hours●Maximum continuous talk time: 6 hours●Maximum continuous standby time: 220 hours●Waterproof and dustproof standard: IPX4●Radio law compliant product: Technical compliance mark