Power supply: Built-in lithium battery
Frequency range: 90 HZ-20KHZ
Format: MP3, WMA, WAV
Number of speakers: 1
Soundbox adjustment mode: key
Battery capacity: 1500 mHa
Can LOGO： be printed
Function: Plug card, waterproof, dustproof, voice prompt, Bluetooth, TWS、 wired connection, mobile power supply
Power supply: USB
Color: Chinese red, cool black, cherry blossom powder
Bluetooth Protocol: 5.0
Output power: 5 W
Connection mode: 3.5 MM Audio socket Bluetooth connection
Appearance Size: 128*70
Channel:  Mono
Box Material: Metal
Shell Material: Metal Silicone
Mode of operation: key
Playtime: 12 hours
Effective distance: 10 m
Format: TF card
SNR: 95 DB
Extended storage: 32 GB