Main Features:

• Built-in Bluetooth Technology Works with Virtually any Bluetooth-Enabled Device (Smartphones， Tablets， PCs)
• Silicone protective sleeve ensure   waterproof， dustproof and shockproof   function
• Built-in 4000mAH battery， which can last for up to 10 hours on a single charge. This speaker can also be used as a power bank
• This is a multifunctional bluetooth speaker which has flashlight， wireless bluetooth music， FM， TF card， power bank functions
• Flashlight function for Emergency
• 3.5mm stereo jack can connect Audio player

 Specifications

1.Battery capacity: 4000maH 
2.Bluetooth Version: CSR 3.0
3.Music time: 6-8hrs 
4.Standby time: ≥30 days 
5.Transmission distance: 10m 
6.Frequency response: 20Hz-20KHz
7.Speaker: 4Ω
8.SNR: ≥90dB
9.Operating voltage: 3.7V
10.Distortion:!#!lt!*!1%
11. Input voltage: 5V/ 1A 

    Output voltage: 5V 
    Output power: 3W 
    Work voltage: 3.7V 
12. LED lamp power: 1W 
13. 3 LED modes: Normal， Weak， Flash 
14. Size: 156 x 51 x 51 mm
15. Weight: 260g 

 Standard Package :

S1 Bluetooth Speaker *1pcs
Bicycle bracket *1pcs
USB charge cable *1pcs
User manual*1pcs