Fineblue F920 Bluetooh Headset, Wireless Retractable Earpiece with Business Collar Clip Support for Hands-Free Calls+ Anti-lost Function for Sports/Business/Drive (Black)

• 【Bluetooth4.1 Connection】Faster and more stable transmission speed. Effectively reduces the loss of sound quality.Compatible with most devices equipped with technology.
• 【Anti-Lost Function】Call vibration, call reporter, voice prompt. The mobile phone exceeds the connection range vibration alarm. For IOS power display. Smart one to two.
• 【HD Sound Quality】Telescopic headphones, single ear answering. Noise isolation allows you to enjoy clear communication and crystal clear sound even in noisy environment or outdoors.
• 【Hands-free&Standby】With removable retractable clip, you just have to clip it on the clothes, very convenient to use. Rechargeable lithium battery. Standby time: 80 hours. Listening to music: up to 4.5 hours.
• 【Quality assurance】The quality of our products is guaranteed and can be used without hesitation. If you have any questions during using, please feel free to contact us.

Description Specification: Product Model: F920 Product Color: Black, White, Gold (optional) Product Chip: CSR Version: V4.1 Transmission Distance: 10M Transmission Frequency: 2.4GHz Charging Voltage: DC 5V Charging Time: less than 2 hours Talk Time: 5 hours or more Music Time: 4 hours or more Standby Time: 80 hours or more Battery Capacity: 80mAH Support Agreement: Headset Hands-free A2DP Avrcp Package Size: Approx. 17.5 * 7.5 * 3 cm/ 6.9 * 3.0 * 1.2 in Package Weight: 81 g Package list: 1 * Headset 1 * USB Cable 2 * Ear Caps 1 * Hand Rope 1 * User Manual