ZEALOT is a professional electronic Bluetooth speaker, Bluetooth headset company. We have professional R & D team, sales team and customer service. 

1. S1 is a new product. It is a Bluetooth speaker as the outdoor riding mate. You can use it to listen music when you are bicycling or have a picnic, camping. It also be used indoor. 
2. S1 can be as a mobile power bank. Its capacity can charge twice for iPhone. 
3. S1 has emergency flashlight function. It can be used as a temporary spare flashlight when you suddenly enter a dark environment。 
4. S1 support TF card 
5. S1 has FM function. (FM function will better when it is plug in audio cable) 
6. S1 is IPX5 waterproof and dustproof skid 

Feature: 
1. Battery capacity: 4000mAh 
2. Bluetooth Version: CSR 4.0 
3. Transmission distance: 10m 
4. Input voltage: 5V/ 1A 
    Output voltage: 5V 
    Output power: 3W 
    Work voltage: 3.7V 
5. LED lamp power: 1W 
6. 3 LED modes: Normal, Weak, Flash 
7. Speaker: 4Ω 
8. SNR: ≥90dB 
9. Frequency response: 20Hz - 20KHz 
10. Distortion: 1% 
11. Music time: ≥5hrs 
12. Standby time: ≥30 days 
13. Size: 156 x 51 x 51 mm 
14. Color: Green 
15. Weight: 260g 

Package include 
1 x S1 Bluetooth speaker 
1 x USB charge cable 
1 x AUX Cable