Operation frequency range
V4.1, CSR8640 chipset
HSP V1.2 ,HFP V1.6,A2DP V1.2,AVRCP V1.4
High Quality Bluetooth Earphone
Headset operation range
up to 10 meters
up to 7 hours
up to 240 hours
about 2 houts
100mAh rechargeable polymer Li-Ion battery
aluminium alloy + plastic
Call answer, Call end, Call reject, Call redial
Pictures & Packing
Q1: Will you spam my mail-box after joining your news-letter plan?
A: We promise you that we never spam. Joining our new-letter plan, you can get the latest information about bluetooth field, consumer electronics, etc; aslo, you can get out newest products in advance.
Q2: What's your warranty policy?
A: Our warranty period is 12 months. Usually, our RMA rate is below 0.2% since we have strict quality control system.
Q3: How can i become your exclusive dealer?
A: Well, we's say it depends on different regions, for more detailds please consult our sales representatives.
Q4: Do you accept OEM projects?
A: OEM order is warmly welcomed in Rambotech and we have full experiences in doing OEM projects.
Q5: What kind of payment do you accept?
A: Paypal, TT and western union is most welcome.
Q6: Can you provide samples?
A: You are welcome to take samples for your quality evaluation.
Q7: If your item is with CE, ROHS, FCC, REACH and factory is with ISO?
A: yes, our products meet CE, ROHS, FCC, REACH standards; factory is with ISO.
Q8: Where can i learn more product about RAMBOTECH?
A: Get more products detailed please visit www.rambotech.com
Greeting! This is Cindy Ouyang from Ouxuntong service you.
Welcome your ENQUIRY. SAMPLE is okay for you test. Do not hesitate to contact us please,
Awaiting for your MESSAGE.