Sennheiser Professional Audio IE 400 Pro Wired in Ear Earphones with Mic (Transparent, Clear) No Restock Wireless connection: Advanced multi-sub array

Wireless connection: Advanced multi-sub array technology lets you connect up to 4 subwoofers wirelessly for a clean aesthetic and calibrate them individually for optimal sound

128 GB memory expandable to 1 TB

5 Grams Number Of Lithium Ion Cells ‎1 Number of Lithium Metal Cells ‎1 Included Components ‎Tablet

GET A SLEEP SCORE AND PERSONALIZED SLEEP COACHING FOR HOW MUCH SLEEP YOU NEED — WITH TIPS ON HOW TO IMPROVE YOUR SLEEP QUALITY

Sennheiser Professional Audio IE 400 Pro Wired in Ear Earphones with Mic (Transparent, Clear) No Restock Wireless connection: Advanced multi-sub arrayFeatures Detailed and balanced in ear monitor sound that packs a real punch Detachable, stage proof Cable with break proof connection (patent pending) and reinforced ear hook Perfect fit due to compact, extremely lightweight earmold in a superior ergonomic yet rugged design Highest flexibility and wearing comfort with silicone & memory foam ear tips in all sizes, individually adaptable to your ear canal depth Specifications Brand Name Sennheiser Model