Product parameters:

• Brand: Berelli
• Time to market: 2017
• Origin: Shenzhen
• Supply category: spot
• Type: Bluetooth speaker
• Connection: Bluetooth connection
• Interface Type: USB
• Battery capacity: 1800 mAh
• Frequency response range: 60Hz-15KHz
• Output power: 2 * 3w
• Signal to noise ratio: ≥ 70db
• Power supply: built-in lithium battery
• Channel: 2.1
• Duration: 4 hours
• Extended storage: 16GB
• Bluetooth protocol: 3.0 + EDR
• Number of speakers: 2
• Effective distance: 10 meters
• Function: call function, voice prompt, card, radio
• Mode of operation: key
• Applicable people: GM
• Display: None
• Playback format: MP3
• Shell material: plastic
• Whether to support APP: No
• Supported formats: TF card
• Speaker adjustment mode: key
• Is there a radio function: Yes
• Box material: plastic
• Dimensions: 175x55x7.5mm
• Product weight: 0.405
• Print LOGO: Yes
• Processing methods: to map custom
• Whether to support a generation of hair: support
• The fastest shipping time: 1-3 days
• After-sales service: three bags of shops
• Packing List: Charging Line + Packaging
• 3C Certificate Number: 5455454
• Item No .: S4000
• Whether foreign trade: No
• Color: gold, silver gray, rose gold, silver white