Vic Firth Bluetooth Isolation Headphones, Wireless Headphones for Drummers, Re...Vic Firth Bluetooth Isolation Headphones, Wireless Headphones for Drummers, Revised version, Closed-back, wireless drummer headphones based on the Vic Firth SIH-2, 500mA lithium-ion battery, Ambient volume reduction of 25 dB, 50 mm Dynamic Speaker...more