China Sports Anti-Sweat Earphones Bluetooth Hands-Free Noise Reduction Earphones, Find details and Price about China Headset Bluetooth Headphone Wireless, Headset Gaming from Sports Anti-Sweat Earphones Bluetooth Hands-Free Noise Reduction Earphones
Bluetooth version: | 5.0 Bluetooth protocol: HSP/HFP/A2DP/AVRCP | |||||
Chip: | QCC3003/Realtek | |||||
Working frequency: | 2.402GHz-2.480GHz | |||||
Material: | ABS | |||||
Working voltage: | DC3.7V | |||||
Battery capacity: | 600Amh | |||||
Playtime: | 20/H | |||||
Standby time: | 300/H | |||||
Charging time: | about 2 hours | |||||
Sensitivity: | 110±3DB | |||||
Bluetooth effective distance: | ≤10 meters | |||||
Speaker power: | 32Ω speaker unit: φ40mm | |||||
The audio signal to noise ratio: | 20Hz~20KHz | |||||
Noise reduction level: | 20DB | |||||
Microphone sensitivity: | silicon microphone, -42dB ±3DB Product color: black, brown Accessories: Micro charging cable, 3.5mm audio cable | |||||