Bluetooth version: 5.0
Wireless frequency: 2.4GHZ
Signal distance: 10m~15m
Signal to noise ratio: 95dB
Status prompt: LED display voice prompt
Adapted products: products with Bluetooth
Battery: 3.7V 400 mAh
Charging time: 1-2 hours
Continuous playback: 5-6 hours
Standby time: 300 hours
