Personal sound amplifier (Item: BH081)

Personal sound amplifier Model: BH081-A/B/C A.use 1PC LI-ION rechargeable battery B.use 2PCS NI-MH rechargeable batteries C.use 2PCS ZINC batteries *The product is an amplifie, gather sounds in the environment whthin 50-60 feet radius, and you can hear even the softest whispers loud and clear, It also can help the hearing impaired. * Green Indicator light of charging function for A and B only * Red Indicator light of Power for A, B and C * With Adjustable Volume For Clear and Loud Voice * AC/DC Adaptor for A and B only * 3sets of earcushion ( big, medium, small) are suited with different earholes separately Item No.: BH081-A *Included rechargeable battery(LI-ION)x1pc./AC Adaptor/3 sets of silicone rubber ear cushion /Clamshell pack.Specification: * Power supply: 3.7V * Output Power: 80 MW * Impedance: 96 Ohms * Battery Capacity: 90 MAH Unit weight:20g(including built-in rechargeable battery) Item No.: BH081-B *Included rechargeable battery(NI-MH)x2pcs./AC Adaptor/3 sets of silicone rubber ear cushion /Clamshell pack Specification: * Power supply: 2.4V * Output Power: 37 MW * Impedance: 96 Ohms * Battery Capacity: 40 MAH Unit weight:20g(including built-in rechargeable batteries) Item No.: BH081-C *Included battery(ZINC) x 2pcs /3 sets of silicone rubber ear cushion/Clamshell pack Specification: * Power supply: 3 V * Output Power: 65 MW * Impedance: 96 Ohms * Battery Capacity: 60 MAH Unit weight:20g(including built-in batteries) UNIT SIZE: 61X35X19mm