C chromatic pitch

【Superior Sound Quality and Deep Bass】: Bluetooth speakers with 5W driver and bass diaphragm for rich bass, clear midrange & crisp high pitch 360° surround sound. 【Bluetooth 5.1 Compatibility & Stable Transmission】: Speakers with bluetooth 5.1 wireless technology helps connecting fast and stable, high-fidelity transmission and 131 feet bluetooth range. 【Compact】: Whether you want to listen to the music and chill, or listen to your favorite mp3 collection, you simply fit it in your bag and you’re ready to go. 【Design】:The speakers have a unique Hawk-eye appearance and gorgeous LED flashing lights, combined with deep and shocking bass to give you a visual and auditory feast. 【Battery】: The speaker has built-in Li-Ion 1200 mAh battery, 4-5Hour playtime to meet your long music time for all your outdoor activities like hiking, partying, cycling 【Ultra Portable & Multi-function Playback】: Wireless Bluetooth speakers have built-in Mic, fast connection for smartphones and iPhones with TF Card support upto 16Gb 【Complete Compatibility】: Pair smartphones, tablets, laptops and more via Bluetooth, or c play music with memory card.