2402 MHZ to 2480 MHZ noise cancelling bluetooth V4.0 helmet headset

2402 MHZ to 2480 MHZ noise cancelling bluetooth V4.0 helmet headset   1) Specifications  

Item:  HB-318   bluetooth headset

Bluetooth version: V4.0

The bluetooth power: the Class II

Headphones size: approximately 140 x150x60mm

Headphones fold size: approximately 118 x60x38mm

A single headphones weight: 71 g

Lithium battery: 3.7 V / 430 mah

Talk about 20 hours/music

About 800 hours standby

Charging time: 4 h

Bluetooth frequency: 2402 MHZ to 2480 MHZ

Transmission range: 3-10 meters

Loudspeaker diameter:  30 mm

Speaker impedance: 32 Ω

Frequency response: 20 ~ 20 KHZ

The microphone specifications: 6 * 2.7 mm

The microphone sensitivity: - 58 db

The directional: the whole point

USB to mini USB charging line: 80 cm

    2) Features:    1. Built-in microphone  2.  High-idelity stereo sound, powerful bass and crisp highs   3.  Lightweight with soft earcups  4.  Up to 20 hours of playback time   5.  integrated control buttons for phone calls and music playback    3) Photo Show:                      4)Factory Visting:       
    5)Company Information:   Shenzhen Bada Sheng Electronic Co.,Ltd is a leading and professional OEM&ODM manufacturer of headphones in Shenzhen, China.

Main Products: XBOX ONE,PS4, PS3, XBOx360, WII, WAC, PC gaming headsets,bluetooth headphones and speakers      Basic Information of our company:
1>Main Clients: Mad Catz,GBB Group (Gioteck, Psyko and Takaratomy,etc
2>Past inspection by Wal-Mart
3>8000 square meter Workshop including SMT
3>Over 600 skilled workers
4>Over 30 Technicians
5>20 R&D team members
6>10 years professional experiences
7> Certificates: CE,FCC,CA, RoHS
8> Monthly Capacity:200,000.00 units     6) FAQ

Q1: Are you manufacturer or trading company or agent? We are professional manufacturer with 8 years experience in electronic industry since 2007 in Shenzhen, China.

Q2: DO you accept small quantity orders? Yes, we accept small quantity sample orders for testing, but not for free, and customers should pay for samples and freight. However we can return back the costs once large quantity orders are set.

Q3: Do you accept ODM & OEM? OEM and ODM are highly welcome. We can customize the products according to customers’ detailed requirements.

Q4: How about the quality of your products? Quality is the core. All of our products have OVP, OCP, OLP, high temperature and short circuit protection. CE CB ROHS FCC ERP   are all approved by authoritative labs.

Q5: How about the shipment and payment? DHL, UPS, Fedex, TNT, EMS or air transportation for small quantity; large quantity by sea. T/T (30% deposit in advance), L/C, Western Union, Money Gram and Paypal are all accepted.

Q6: How about the after-sales services? We will sent the goods packing picture to you before sent the goods  to you .