Product details Batteries : 1 Lithium Polymer batteries required. (included) Product Dimensions : 16.8 x 22.3 x 8 cm; 281.23 Grams Date First Available : 11 January 2022 Manufacturer : Anker ASIN : B092J2RWHR Item model number : A3045011 Country of origin : China Brand Soundcore Model name A3045011 Colour Black Form factor On Ear Connectivity technology Wireless About this item Incredible Sound Loved by 20 Million+ People Hi-Res Audio: Custom oversized 40 mm dynamic drivers produce Hi-Res Audio ensures devices are capable of producing exceptional sound. Music is reproduced with high frequencies that reach up to 40kHz for stunning clarity and detail. Reduce Ambient Noises By Up to 90%: Life Q20+ has 4 ANC microphones and a digital active noise cancellation algorithm to detect and cancel out a wider range of low and mid-frequency noises such as cars and airplane engines. Extended Playtime: Enjoy 40 hours of playtime in wireless noise cancelling mode (at 60% volume) or 60 hours' in standard mode. Also enjoy 4 hours of listening when you charge Life Q20+ active noise cancelling headphones for just 5 minutes. Multipoint Connection: Connect Life Q20+ active noise cancelling headphones to 2 devices at once via your local Bluetooth network and seamlessly switch between them.