M10B Wireless Bluetooth Headphone for Car & Truck Drivers,Jiale Over-the-Head Multipoint Noise Canceling Bluetooth Headset With Mic Handsfree Calling for Apple IOS Android Samsung Smartphones -Black Product Details Product Dimensions: 6.7 x 6 x 2.6 inches Item Weight: 7.2 ounces Shipping Weight: 7.2 ounces Manufacturer: Jiale Item model number: M10B-headphone-black Talking time: 20 hours;Stand-by time: 350 hours;Charging time: Below 3 hours. Chipset: CSR BC6 V2.1;Data encryption: 128 bits encrypted;Broadcast range: 10m / 32ft. Support: AVRCP, Headset, Handsfree, Noise-Canceling, Voice-Dial/Mute With multipoint connection, the Bluetooth headset can be connected with two Bluetooth devices at the same time. Easy operation and perfect voice quality. Brand Name:Jiale Features: Answer/hang up/reject/redial call and volume adjustable. Bluetooth version: Bluetooth V2.1, Class 2,compatibility with V2.0 & V1.2. Connections: Up to 2 devices simultaneously Color: Black Headphone size: Approx. 14.5 5.5 15cm / 5.7 2.2 5.9in Headphone weight: 72g / 2.5oz Package size: Approx. 19.5 7.5 21.8cm / 7.7 3.0 8.6in Package weight: 165g / 5.8oz Suit for over the road truck drivers or anyone who need the clear voice in thenoise environment, also compatible with for PS3, for iPhone, PC, etc. (Note: this headphone is a mono headset, it can't listen music) Package content: 1 Bluetooth Headset 1 English User Manual 1 USB Cable Warranty: 1. One year guarantee from Jiale. 2. Your Satisfaction is our Highest Priority. Please feel free to contact uswith any questions regarding our products and shipping.