[Upgraded Version] Alien 5 Bone Conduction Glasses Bluetooth 4.1 Headphones Polarized Sunglasses Myopia Waterproof Wireless Headset Hearing Aid for iPhone HTC LG Samsung Matted Black (Frame+Mold Lens) Marshall Details: The Hamilton CD/USB/MP3 Listening

Details: The Hamilton CD/USB/MP3 Listening Centers provides everything you need in a listening center built on the latest HACX-205 Top-Loading Classroom CD/USB/MP3 player

5mm stereo jack

CHARGING & BATTERY LIFE- Charge your personal headphones by simply dropping them into the docking station

Frequency:20-40000Hz

INCLUDES - Audio-Technica ATH-M40x Closed-Back Dynamic Headphones

[Upgraded Version] Alien 5 Bone Conduction Glasses Bluetooth 4.1 Headphones Polarized Sunglasses Myopia Waterproof Wireless Headset Hearing Aid for iPhone HTC LG Samsung Matted Black (Frame+Mold Lens) Marshall Details: The Hamilton CD/USB/MP3 ListeningBrand: HORIZON OUTDOOR Color: Frame+Mold Lenses Features: UPGRADED BONE CONDUCTION SPEAKER: Upgraded bone conduction speaker, with the exclusive soundproof cavity design, reduced the sound leakage by 87%. CAN BE USED WITH PRESCRIPTION LENSES: The lens can be replaced very easily, and we provide free transparent lens mold for Myopia&Older. OPEN EAR DESIGN GUARANTEE YOUR SAFETY AT ANYWHERE: You can easily listen to music and you aslo can hear the sound