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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
protecting your pi computer and screen
Use Bluetooth to transfer data
The optical power meter is used for continuous optical signal power measurement and optical fiber line breaking test
-Hand strap × 1
tennis racket*2
B11 Bluetooth 5.0 Retro Style Wireless Bluetooth Speaker, Supports Hands-free Calling & 32GB TF Card & 3.5mm Audio Jack Color:Black protecting your pi computer and1. 5W speaker full screen range, unit of sound, bass and surround reverb match, let you listen to the music yourself. 2. Wireless Bluetooth transmission, using 5. 0 upgrade chip, stable and fast transmission, effective distance of 10 meters, high fidelity sound quality, restore music scene. 3. Built in 1200mAh large capacity battery, fast charging speed, long battery life, continuous use for about 6 hours. 4. Support Bluetooth connection playback,
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