These AO wireless debutants promise active noise cancellation, efficient Bluetooth 5.4 connectivity and 32 hours of total playtime. Its first true wireless earbuds are available for pocket money – just £39. Andy, if you primarily listen to talk radio or audiobooks, these AO earbuds are more than up to the job. Although I’ve said sonic performance is respectable, the AO buds are a little on the thin side and can sound quite gritty at high volumes. Should you buy the AO Wireless Noise Cancelling Earbuds?