Specification:1. Function: Answer call/Reject a call/Making Phone Call (The last Dialed NO.)/listen to music2. Call vibration function and new separate design3. Talk time: up to 1.5 hours4.Bluetooth version: Bluetooth 3.05.Support profiles: HSP， HFP and A2DP profile6.Stand-by time: up to 200 hours7. Battery charging Time: about 2 hours8. Charger voltage: DC5.0V 300~500mAFeature:1.The BT headset watch is a new Bluetooth mono headset. 2. It delivers clear voice transmission and high quality sound.3. With a spare base battery， solve the problems of ordinary BT headset short time communication. 4. It makes your hands-free and calls vibration reminder. 5. It is stylish and lightweight for all-day comfortable use. 6. Specially design for business people， senior people， fashion crowd， tourists， etc.7. It is beautiful， fashionable， and portable. 8.With durable and adjustable rubber strap to fit different size wrists.Package:1 x Bluetooth Headset Whatch1 x USB Cable1 x User Manual