TDK WR780 User Manual

WR780 Bluetooth Wireless Headphones
Battery Replacement Instructions
The battery for the WR780 is contained under the access cover on the right rear side
of the headphones, as shown in this image:
1. With a pointed tweezers or scribe, press into the
soft round screw cover just below the battery
symbol on the battery compartment cover.
Carefully pry up to remove.

TDK WR780 Specifications

General

Wireless	Yes
Bluetooth	Yes
Impedance	32 Ohms
Type	Over-ear
Frequency Response	20-20000 Hz