Sony - WH-CH520 wireless on-ear headphones - black

Sony WH-CH520 wireless on-ear headphones Product description: Compatible models: compatible with Bluetooth devices Product type: on-ear headphones Sound control: sound control via device Connection type: USB (charging) Battery type: built-in rechargeable battery via power plug Design: 30 mm driver, swivel earcups Special features: up to 35 hours battery life Weight: 147.00 g (5.19 oz) Multi-point - number of connected devices: up to two devices - simple multi-point Microphone type: built-in microphone Connection technology: Bluetooth