Features: 1.Business Collar clip style. 2.Call vibration, call reporter, voice prompt. 3.Anti-lost function, the mobile phone exceeds the connection range vibration alarm. 4.For IOS power display. Smart one to two. 5.Telescopic headphones, single ear answering. specification: 1. Business Collar clip style. 2. Call vibration, call reporter, voice prompt. 3. Anti-lost function, the mobile phone exceeds the connection range vibration alarm. 4. For IOS power display. Smart one to two. 5. Chinese and English switching. 6. Telescopic headphones, single ear answering. : Product Model: F920 Product Color: Black, White, Gold (optional) Product Chip: CSR Bluetooth Version: V5.1 Transmission Distance: 10M Transmission Frequency: 2.4GHz Charging Voltage: DC 5V Charging Time: 1.5 hours Talk Time: 8 hours or more Music Time: 8 hours or more Standby Time: 160 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 Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.