Sony MDR-900 Wireless headphones Black

Version: 5.0

Music/Talk time: 8-9 hrs

Standby time: up to 120 hrs

.support: A2DP, AVRCP, HSP, HFP

.Frequency response:220-2220-22khz

.Frequency rank :2.4-2.42.4-2.48GHz

.Transmission distance:upto to 1010m

.operating temperature:10°C -50°C