HEIBAS Wireless Earpiece with 500mAh Charging Case Built-in Microphone for iOS Android Cell Phone, V5.1 Hand-Free Headphones for Trucker, Business, OfficeModel: G7 Version: V5.1 Transmission range: 10m Supporting Protocols: A2DP/HFP/HID/SPP/AVRCP Headset battery capacity: 100mAh Case battery capacity: 500mAh Charging time: About 2-2.5 hours Standby time: About 200 hours Talking time: About 23 hours- Easy-to-read digital display shows the remaining power of the charging case for the refill in time.- High Capacity and Long-Lasting- Design Ideas Of Mute- Get Rid Of The Bulky- Wide CompatibilityTamaño: MCable*** Todos nuestros productos son exportados desde Estados Unidos hasta tu casa!*** Cualquier pregunta no dudes en contactarnos, estamos para servirte!