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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 mbluetooth bracelet bluetooth charm bracelet with vibration