Most popular advertising gifts, Promotional gifts gift earphone,retractable earphone Factory direct sales

Factory direct sales, quality assurance1.8 years factory experience2.can make customer design3.The high quality4.Suitable for business gifts, promotional gifts

Specifications Driver unit: 10mm Mylar speakerImpedance: 32ohms;Frequency response: 20Hz to 20kHz Sensitivity: 105dB (at 1kHz) Input power: 50mW (maximum)Plug type: 3.5mm stereo Cord length: 1.0mTransducer:9U