Bluetooth Version: v5.0 Bluetooth Profile: HSP/HFP/A2DP/AVRCP Bluetooth Chipset: Bluetrum Input: 5V, 1A Impedance: 32Ω Speaker Frequency: 20Hz-20KHz Charging Time: 2 Hours Playing Time: 9 Hours Standby Time: 30 Hours Battery Capacity: 350mAh Battery Type: Li-Polymer Operating Distance: 10m
