[Collapsible]:This bluetooth earpiece is a first collapsible collar back clip earphones, fully suitable for business and office as well as driver.[High voice quality]:Built-in high quality speakers allow you to have a noiseless phone call while walking, running, climbing, driving.[Headphone connection]:Insert standard MICRO 5PIN headphone cable after connecting headphone, and then you can listen to music as you like.[MFB key]:You can press easily to operate answer / reject / hang up calls, redial the last call, plase / pause music, switch languages with the MFB key.[Bluetooth V4.1]:Provides a stable signal support by bluetooth 4.1 version, small and simple as well as durable, is the first choice for business people and motorists.
This bluetooth headset is a best choice for business people and motorists. Rotatable neck in-ear design, collapsible collar back clip earphones, makes it comfortable to wear and easy to carry. Bluetooth V4.1 provides a fast connection, within 15 meters of communication distance, bring you more freedom and fun. Built-in high quality speakers, without noise trouble, make you enjoy your bussiness trip. Also, it support iOS power display and connect two devices at the same time.
Product name: M990 Bluetooth Headset
Chip model: CSR8610 / B04
Bluetooth version: bluetooth V4.1, support agreement handset / handfree / A2DP / AVRCP
Transmit power: class 2 (-6dbm - 4dbm)
Communication distance: 8m indoors without obstacles, 15m forward to listen to the call clearly and continuously
Working frequency band: ISM band (2.402-2.480GHZ)
Charging voltage: 5V
Working voltage: 3.7V
Battery specifications: Rechargeable polymer lithium battery (350926 / about 60MA / H)
Body size: 61.2 × 13.9 × 12.3mm
Headphone weight: about 8g
Speaker impedance: 16 ± 15% Ω
Sensitivity: 110 +/- 3DB
Frequency range: 50-10KHZ
Rated output power: 3mW
Maximum output power: 5mW
Speaker diameter: 10 × 4.75mm
1 × Bluetooth Headset
1 × User Manual
1 × USB Charging Cable
We provide quality assurance, if there is any problem with the product, please feel free to contact our customer service, we wish you a happy shopping!
Zerone M990 Bluetooth Earpiece Collapsible Collar Back Clip Earbud Handsfree Bluetooth Headset Single V4 1 Wireless Bluetooth Earpiece for Office Business KHDRGVAVY