Bluetooth version: 5.0 Bluetooth protocol: HSP/HFP/A2DP/AVRCP Chip: CSR8635+8815 Working frequency: 2.402GHz-2.480GHz
Material: ABS
Working voltage: DC3.7V
Battery capacity: 380Amh
Playtime: 7-9/H
Standby time: 220/H
Charging time: about 2 hours
Sensitivity: 118±3DB
Bluetooth effective distance: ≤10 meters
Speaker power: 32Ω speaker unit: φ40mm
The audio signal to noise ratio: ≥75dB
Frequency response: 20Hz~20KHz
Noise reduction level: 20DB
Microphone sensitivity: silicon microphone, -42dB ±3DB Product color: black, brown Accessories: Micro charging cable, 3.5mm audio cable