We don't know when or if this item will be back in stock. Bluetooth Version 4.2 + EDR, Frequency Range: 2.401 to 2.48GHz Frequency Response: 50Hz – 20KHz, Impedance: 32 Ω Wireless Range: 10m, Battery Life:> 6 hours Supports FM Radio, FM Frequency: 87.5-108MHz, TF Card Support, HD clarity sound with super bass Compatible with most Mobile, Laptop and Tablets