Philips Philips Audio TAT4556BK/00 Wireless Headphones with Active Noise Cancelling (Black) TWS Hybrid ANC - BT version 5.2 - Touch control - Hybrid ANC - 9h playtime - 12mm driver - 20h in the charging case - Mono mode for making calls with one ear piece. - AAC codec - IPX4 - USB-C - Black Battery Life (in hrs): 29 Bluetooth: Y Dongle Required: N Noise Cancellation: Y Wifi Enabled: N Hybrid active noise cancelling (ANC) IPX4 splash and sweat resistant Up to 29 hours play time Secure and comfortable in-ear fit Clear sound & deep bass