Product Name: Promotion Wireless Bluetooth Mini Speaker Music Speaker MP3 Players Model NO.: DE-S7 Recording Function: Without Recording Function Special Function: Radio, Phone Call, Selfie Function Built-in Battery: Built-in Battery Sound Channel: 2.0 Adjusting Method: Keystoke Usage: Portable Player, Computer, Mobile Phone, Radio Speaker Material: ABS +Electronics Amplification Type: Active Battery: 400mAh Charging Time: 1-2 Playing Time: 2-3 Hours Transmission: 10m Color: Blue, Black, Pink Product Size: 88mm*68mm*37mm Weight: 113G Bluetooth Version: 4.0 EDR Trademark: AiL Transport Package: Color Box Specification: 3W*4ohm Origin: China HS Code: 8518210000 Product Description Promotion Wireless Bluetooth Mini Speaker Music Speaker MP3 PlayersName: DE-S7 Cheap Mini Bluetooth SpeakerFunctionBluetooth, hands-free calling, TF card, TWS,MaterialABS +ElectronicsChargingLi-battery/ USB-5VColorBlue, Black, PinkUnit size88mm*68mm*37mmNet weight113gBluetooth4.0+EDRChannel1Power3WSpeakerØ44mm,4Ω 3WDistortion<3%Distance<10MFrequency80Hz-20KHzSNR>85dBCharge5V/0.3ABattery400mAhSpecification:Bluetooth version: 4.0+ EDRBattery: 400mAh with Circuit ProtectionMaterials:ABS+ ElectronicsTransmission: >=10 meterRated power: 44mm 4Ω 3WFrequency response: 20HZ-20KHZProduct size: 88mm*68mm*37mmCharging time: 2-3 hoursPlaying time: 4-5 hoursPackage: Color boxSupport: Music play, Phone call, TF CardColors: Blue, Black, PinkService provided:1) 12 Months warranty2) Full inspection for mass production3)Logo customizedRemark:1:Payment term: Bank transfer, Westernunion, Paypal (for small)2: Lead time:1-4 working days for sample; 8-15 working days for mass.3:Warranty: change new in 12 Months4:Customized logo: Yes;