Feature: Magnetic Design:The bottom of the speaker has magnetic attractionfunction, easily attaches to objects that supportmagnetic attraction. Amazing Sound Quality:40mm high-sensitivity full-frequency unit. Sound detailsare clearly produced; Music/game dual modes can meetvarious entertainment needs. 7 Hours Battery LifePlay While Charging:Large-capacity battery in the small body.Uninterrupted play for 7H, or play while charging. "Bluetooth 5.3 Connection:Stronger anti-interference capability, more stable. faster, and more power-saving connection." Compatible WithVarious Devices:Compatible with phones, laptops, tablets,and other Bluetooth smart devices. Specification: Bluetooth name: M2 Distortion limited output power :5W Frequency response :250HZ-20KHZ Hom unit :40mm moving coil Bluetooth distance: about 10 meters Rated input :5V-500mA Bluetooth version :5.3 Bluetooth protocol :A2DP, AVRCP Noise level :