37 Keys Battery Operated Portable Electronic Keyboard With Speaker In Rainbow Color iWord Model No.: S2037C Specification Power: DC 5V Speakers:Built-in high quality speaker system Battery: 4 AA dry batteries(enables 10-12 hours playing), not included ...
Spartan Battery Powered Portable Sound System 说明书 owner’s manual Battery Powered Portable Sound System
Product Name:Cartoon wireless speaker;Style:13 kinds;BT Version:V5.2;Output Power:4Ω 5W;Battery Capacity:1200mAh;Music playing time:3~5 hours;Compatible phone:Android IOS Phone,laptop;Working mode:BT/Aux/TF card/U-disk;TWS connection:Support;FM radio:Su
Dual 4 Inch RGB Light Portable Wireless Plastic Speakers High Quality Battery Operated Mini Modern Audio System USB AUX Parties No reviews yet Guangzhou YR Technology Co., Ltd.4 yrsCN About this product Includes generated contents Compact Design for Easy Portability: This portable speaker is ...
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Battery Operated Biometric Fingerprint and RFID Card Time Attendance System (S800) Fingerprint reader BiolD fingerprint sensor Display LCD Display: 2.8"TFT color screen Speaker Voice Prompt (language can be selected) Capacity Fingerprint capacity: 3,000 Card capa...
Specifications: Body Material: Plastic Bluetooth: No WIFI: No LCD Display: Yes Portable: Yes Built-In Speaker: Yes AM/FM Radio: Yes Frequency Range: FM: 87-108MHz, AM: 520-1710KHz Power Supply: 2 X AAA batteries (Not included) Headphone Jack: 3.5mm Number of Storage Stations: 30 Ante...
49 Keys Battery Operated Portable Electronic Keyboard With Speaker In Rainbow Color 49-Note Keyboard Allows Children to Practice Piano Anytime, Anywhere with Easy Color-Coded Notes Built-In Speaker & Adjustable Tones & Background Tracks for Play-Along Fun | Recommended for Ages 3+ So...
The high-performance Central Processing Unit (CPU) in the latest smartphones requires substantial battery power while it is being operated; if the device ... Lee,ChoonOh(이춘오) 被引量: 0发表: 2013年 加载更多研究点推荐 smart battery system VOICE-ENABLED EXTERNAL SMART BATTERY PROCESSING ...
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