Promate Bluetooth v5.0 Over Ear Headset

Sound quality that is clear with the sound levels not exceeding 85 decibels to protect young ears. Wireless means no messy wires to get caught up in, and no broken cables. As your child grows so can the headset, thanks to the unique adjustable and comfortable headband. Bluetooth Version: v5.0 Bluetooth Profile: HSP/HFP/A2DP/AVRCP Bluetooth Chipset: JL6956 Input: 5V, 1A Impedance: 32Ω ± 15% Speaker Frequency: 20Hz-20KHz Charging Time: 1.5-2 Hours Playing Time: 20 Hours Battery Capacity: 300mAh Battery Type: Li-Polymer Operating Distance: 10m