Model: BH-T16 Bluetooth version: V5.2 Bluetooth operating frequency: 2.402GHz-2.480GHz Bluetooth rated voltage: 3.3-4.2V Receiving distance: ≤10 m Interface: Type-c Earphone Battery: Lithium battery 50mAh Earphone case size: 27*20*5.5mm Case battery: 380mAh Depth of noise reduction: 35-40dB Charging time: earbuds 1.5H,charging case about 1.5H Talking/playing time: about 6hours (the actual use time depends on the type of song and volume requirements) Supporting protocol: HSP,HFP,A2DP,AVRCP
Microphone type: 1 x omnidirectional ECMSpeaker: 11 mm dynamic speakerMicrophone frequency range: 100Hz to 8kHzMicrophone sensitivity: -42 dBV/PaSpeak..