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... sales volume over the world, best choice for you . 805A is direct-heated type thorium tungsten cathode triode, can be used as class B, A-F, and R-F power amplification, class C R-F power amplification and h...
Matched Pair Psvane 845B HiFi series Vacuum Tubes for HIFI diy tube amplifier Stereo Vacuum Tubes 845B 845B is direct-heated type thorium tungsten cathode triode, which can be used as class A1 and AB1 amplifica...
... for you . EL34 EL34 is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W w...
Performance Stereo Zoom Microscope With 0.67x~4.5x Zoom Objective Application: This instrument is widely used for medical service, agriculture, geology, electronic precision mechanical industry and department, ...
..., environment, agriculture, forestry, chemistry industry, police, micro-electronics, semiconductorsetc. It is widely used in schools, biology engineering and science research, industry assembly, test and mea...
Turret-type Stereo Microscopes Introduction : Unique optic design; With long working distance and field of depth; Horizontal zoom knob, easy operation; lWidely used for medical service, agriculture, geology, el...
... : 1. Each earbud weighs just 4.2g. The small size and ergonomic shape ensure you a fatigue-free listening experience no matter how long you use it....
Colorful Wireless LED Headphone with Mic 40mm Drives Stereo Deep Bass sound Gaming Headset Production Description : 1. Bluetooth 5.1 & Wide Compatibility: Wireless gaming headset Uses newest Bluetooth technolog...
...Control Button: Yes Codecs: AAC Style: Bone-conduction Communication: Wireless Use: Portable Media Player, Mobile Phone, Aviation, COMPUTER, Dj, Gaming, Sports, Audiophile, Travel, PROFESSIONAL, HEARING AID,...
... charging compartment cover closed, and the charging compartment is also charged while charging. It can be used for 6 hours in a single full charge, the charging box can charge the ear-buds fully in 3-4 time...
...Stereo Sound Sports Bluetooth Earbuds , Durable Wireless In Ear Earphones Product description With innovative exclusive intelligent charging compartment , The ear-buds start charging when the charging compar...
...Stereo Earbuds Customized Package In Ear Type Product description With innovative exclusive intelligent charging compartment , The ear-buds start charging when the charging compartment cover closed, and the ...
7inch 2din car stereo MP5 radio player mirrorlink, bluetooth, FM Features: Support mirrorlink for Android mobile phone and ipnone. Use origianl USB cables for better connection. Support APE, FLAC, WAV, DIS loss...
OEM factory newly stereo foldable wireless headphone for music Products Specification Version:Builwin 5.0+EDR Transmission Distance: 10m Using Time: 20-40hours Standby time: 400hours Battery Capacity: 200mAh Sp...
Cat Ear LED Wireless Headphone,Stereo Bluetooth Headset For Kids Products Specification Version:Builwin 5.0+EDR Transmission Distance: 10m Using Time: 20-40hours Standby time: 400hours Battery Capacity: 200mAh ...
Portable Stereo Headphone/ America Market Hot-Selling Folding Wireless Headset Products Specification Version:Builwin 5.0+EDR Transmission Distance: 10m Using Time: 20-40hours Standby time: 400hours Battery Cap...
Foldable Stereo Headset/Pressure Relieved Panel Design Folding Wireless Headphone Version:Builwin 5.0+EDR Transmission Distance: 10m Using Time: 20-40hours Standby time: 400hours Battery Capacity: 200mAh Speake...
Bluetooth Foldable Headset / Lovely Design LED Stereo Wireless Headphone Version:Builwin 5.0+EDR Transmission Distance: 10m Using Time: 20-40hours Standby time: 400hours Battery Capacity: 200mAh Speaker Diamete...
Lovely Surface Design Wireless Stereo Headphone For Mobile Devices Bluetooth:JL 5.0+EDR Rated power:15mW*2 Transmission Distance: 10m Using Time: 8 hours Standby Time: 150 hours Charging Time:1 hour Battery Cap...
...Stereo Zoom Microscope With High Resolution and Good Depth Characteristic 1) Destaticization: stand, zoom tube, 10×eyepiece and auxiliary objective are all equipped with destaticization. It is very helpful f...