To order visit our website.. www.sastogadgets.com Bluetooth Technology: Version 4.0+EDR with a 2.402GHz–2.480GHz frequency and a 20–30 meter range. Battery Performance: Integrated 3.7V/180mA Li-ion battery providing 7–8 hours of playback, 120 hours of standby, and a quick 1-hour charge time. Audio & Calls: Hi-fi earphones with a hands-free microphone (effective within 1 meter) and voice prompt reminders for easy setup. Smart Integration: Supports real-time power display on iPhones so you kno