WiWU H1 Hali Travel Pouch Lock Bag, durable, water-resistant, and scratch-resistant

Bluetooth Version:5.1Talking Time: Up to 25 HoursMusic Time: Up to 35 HoursStandby Time: Over 150 HoursCharging Time: 1-1.5 HoursCharging Type: Micro USBCharging Power: DC5V 150 mAhTransmission Distance: 32ft.(10m)Output Power: 3mW × 2Sensitivity: 02dBat1KHZimpedance: 16 OhmFrequency Range: 20Hz -20KHzTHD: < 1%Supported Prodiles: HSP,HFP,A2DP,AVRCPMic Sensitity: -42dBMic Impedance: 2200 Ohm