Pay in 4 interest-free payments of $318.75 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
rust & corrosion free
Educational institutions can greatly benefit from incorporating this lens into their curriculum
weights 1 mg to 200 gm
Dual mode switching
RS232C interface
Rolton K500 Bluetooth Audio Speaker Megaphone Voice Amplifier Support FM TF Recording, K500 Laboratory water bath rust & corrosion free1. Bluetooth wireless transmission, more convenient to use 2. Thin and light, compact, 158 grams, thickness of 3. 9 cm or so 3. High fidelity microphone, double layer PVC line, strong resistance to pulling, good shielding 4. Frequency intelligent amplifier system: in the radio state, the amplifier automatically turns into AB class anti interference amplification mode; in other modes, the amplifier turns into D class power saving mode 5. Support MP3
US$ 70.00
US$ 28.00
US$ 35.00
US$ 30.00
US$ 80.00
US$ 145.00
US$ 30.00
