Bluetooth Version :5.0 Bluetooth name: S109 Microphone sensitivity: -42dB Connectivity: wireless Headphone: single Input voltage: 5V Input current: 1A Charging type: Micro USB Charging time: about 25 minutes Standby time: more than 180 hours Music time: up to 18 hours Talk time: up to 20 hours Transmission distance: 32 feet. (10m) Supported profiles: HSP, HFP, A2DP, AVRCP
