Original I13 TWS Bluetooth Earphones Waterproof Wireless ^

Working time :2-4 hours, Call: 2-3 hours, Listen to the song: 2.5-3 hours Standby time :80-100 hours The charging time: 1-2 hours Battery capacity : 60MAH Charging capacity: 300~400MAH Wireless distance : 10-12M Compatible phone: compatible with Android , IOS , Microsof and so on , 99% of the phone with bluetooth . Bluetooth version: Bluetooth v4.2 + EDR 5.0 Bluetooth use band: 2.4GHz With A2DP / AVRCP high-quality stereo audio transmission and remote control protocol Powerful noise de-noising circuit (active noise reduction) Switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)