Wireless Streaming for your In-Ears Bluetooth adapter cable lets you enjoy your MEE Professional in-ear monitors wirelessly with devices that do not have a headphone jack; compatible with phones, tablets, computers, and other Bluetooth stereo audio transmitters Made for MEE monitors Compatible with MEE Professional MX PRO series (MX1 PRO, MX2 PRO, MX3 PRO, MX4 PRO) and M6 PRO (1st and 2nd generation) in-ear monitorsNote: Earphones not included HD audio with Qualcomm aptX Qualcomm® aptX™ and aptX™ Low Latency codecs ensure maximum wireless audio quality over Bluetooth and improve lip-syncing with compatible devices Dynamic Audio Enhancement Hold Volume Up / Skip Track button (+) and Multifunction button for 2 seconds to cycle between audio modes. On-demand sound enhancement with three modes allows for on-the-fly audio adjustment: Natural No audio enhancement Bass Boost Enhances bass response and depth to create more impact and immersion Vocal Boost Boosts speech and vocals for more clarity and intelligibility Sweatproof Design IPX5 sweat- and weather-resistant design protects from damage due to sweat, moisture, and the elements Long battery life Built-in rechargeable batteries and ultra-efficient Bluetooth 5.0 technology provide up to 9 hours of talk and up to 8.5 hours of music playback time Built-in Headset Seamlessly take phone calls and control media playback with integrated microphone and remote What's in the box BTC2 Bluetooth Cable for MX PRO / M6 PRO Micro-USB charging cableUser manual Note: Earphones not included