bluetooth bracelet bluetooth charm bracelet with vibration Super brilliant high definition OLED screen display Full steel blue

                         bluetooth bracelet bluetooth charm bracelet with vibration

Specifications: * Full steel bluetooth vibrating bracelet* The strap length can be adjusted.* Colors:black and stainless steel* Super brilliant high definition OLED screen display;* Bluetooth Version: V2.0;* Incoming call vibrating alert and display telephone number and name* Bluetooth bracelet can control handsfree / reject / mute* Disconnecting vibrating alert (anti-theft, anti-theft, anti-lost function)* Automatic matching,no need repeated operations* Working status displayTechnical indicators:Compatible with Bluetooth 2.0 specificationClass 2 (10 meters)Complies with the Bluetooth Handsfree Profile (Hands-free Profile) V0.96Operating temperature range: -20'c ~ +75'cStorage temperature range: -40'c ~ +85'c5-10M effective distanceAutomatic power-saving modeSupport for low-power operation mode / high speed operating modeSecurity authentication, data encryptionTechnical parameters:Boot current: 20mAStandby operating current: 0.7 ~ 2.0mAVibration display Operating Current: 45mACharging voltage: 4.2VBluetooth handsfree function:The headset functions: noBluetooth working range: 5 ~ 10 m

bluetooth bracelet bluetooth charm bracelet with vibration