$6.88
Description
Bluetooth version: V5.0
Bluetooth Chip: JL
Audio range 2.402 GHZ – 2.480GHz
Emission range about 20M
Mobile phones stereo music player
Music play time about 20 hours
Phones call time about 20 hours
Battery:3.7V/400mah
Speaker size: 10mm 32Ω
Magnetic absorption function
Microphone: -42dB
Output: 25mW*2
SNR: ≥98dB
Colors: black, blue, gray