DA-30113 on Ear Bluetooth – 2280002

Connectivity: Wireless Mic. Spec.: Specifications: Microphone Unit: ￠6*5mm Directivity: omnidirectionalS.P.L: -58±3dB Impedance: ≤2.2KΩ Frequency response:20Hz-20,000Hz Operating Voltage: 4.5V Speaker Spec.: Speaker diameter:￠40mm Impedance:32Ω S.P.L: 118±3dB S.P.L at 1KHZ Rated power: 20mW Aggregate capability: 50mW Frequency response: 20Hz-20,000Hz Power: Battery type: Built-in 400mAh Lithium-polymer rechargeable battery Charging connector type: USB Plug Run time: Up to 6 hours of talking or music playback time Standby time: Up to 90 hours Charging time: 2 hours Quick Installation Manual: https://www.manualslib.com/manual/1115687/Digitus-Da-30113.html#manual