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Shenzhen City Dalisong Electronic Co. Ltd.

[China]Vibration Headphone

Method: (1) Just support the sound resource, which output power should be 3.5. (2) Open control box and Put into 2 pcs “AAA”battery. (3) Switched the light on, headphones will be vibrated lightly. If adjust the switch to 2 channel, the headphone will be vibrated heavily. (4) Adjust to conformable volume by adjusting volume controller. Details: Headphone: Driver Unit:Φ50MM Frequency Response::20HZ-20,000HZ Impedance:32Ω Sensitivity: 120dB±2dB Max Output[...]

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[China]Crystal Earplug

Description: 1.Sensitivity at 1KHz : 110+/-3 dB; 2.Impedance : 32+/-15% Ohm; 3.Speaker dia : ¢15.4mm; 4.Mylar : 6µ; 5.Frequency response : 180-15000Hz; 6.Input power : Nom2mw,Max3mw; 7.Distortion : Less than 5% at 1KHz 2mw; 8.Weight : Approx 16+/-3 grams; 9.Connector : ¢2.5mm; 10.Cord length : 150cm/125cm; 11.with pink rhinestone[...]

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[China]MP3 Earplug

Description: 1.Sensitivity at 1KHz : 110+/-3 dB; 2.Impedance : 32+/-15% Ohm; 3.Speaker dia : ¢9.8mm; 4.Mylar : 6µ; 5.Frequency response : 280-10000Hz; 6.Input power : Nom2mw,Max4mw; 7.Distortion : Less than 5% at 1KHz 2mw; 8.Weight : Approx 15+/-3 grams; 9.connector : ¢3.5mm; 10.Cord length : 150cm/125cm; 11.color:White.[...]

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[China]Hi-fi Wireless Headphone

Transmitter: 1) Frequency: 863.3/863.9/864.5MHZ 2) Power: <10dBM 3) T.X. DER: +/-70KHZ 4).T.X. Separability: >50dB 5) Frequency Response: 30~13000HZ 6) Voltage: 12VDC 7) Electric Current: 120 Ma Receiver: 1) Frequency: 863.3/863.9/864.5MHZ 2) Sensibility: -100dBM 3) S/N: >70dB 4) Frequency Sound: 30~13000HZ 5) Channel Separability: >50dB 6) Working Range: >100m 7) Electrical Source: 1.8~3V, 2 pcs “AA”batteries. 8) Electrical Current: 42mA[...]

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[China]USB Headphone

Features: 1) Headphone: a) Driver unit: 40mm Dia b) Frequency response: 130-20K c) Impedance: 32+/-15% d) Sensitivity: 83+/-3.0db/40mw/0.1m e) Plug: USB2.0 plug 2) Microphone: a) Polar pattern: omni-directional b) Frequency response: 40-16kHz c) Sensitivity: -56±3db[...]

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