T50 6D Noise Cancelling Bluetooth V5.0 Wireless Bluetooth Headphone, Support Binaural Calls(Red)

Parameter Bluetooth version: V5.0 Battery capacity: headphone 40MAH, charging box 500MAH Charging time: about 1 hour Talk time: about 3.5 hours Music time: about 4 hours Standby time: 80 hours Function: two ears talk, automatic pairing connection, volume adjustment, up and down switch Charging box size: 4.8×6.4×2.5cm Headphone size: 2.5x2x1.4cm