New Earbuds True Wireless Bluetooth Double Earphones With Charger & Carrying Case. Specification: Bluetooth version v4.1+ EDR Bluetooth distance: 10 meters barrierA2DP / AVRCP High-Quality Stereo Audio Transmission & Remote Control Protocol.Powerful Noise De-Noising Circuit (active noise reduction).Charging Time About 1 Hour (Power Indicator Charging: Red Light, Full Power: red light off (blue light).)Talk time is about 4-5 hoursMusic time about 4-5 hours Standby time is about 120 hourThe charging time is about 60 minutes of Battery capacity 60MAH. View Photos For Further Details.