Specifications: 1) Compliant with Bluetooth V1.2 2) Supports headset and hand-free profiles 3) Operation range: 10m (33 feet) 4) Weight: 10g 5) Talk time: up to 7 hours 6) Standby time: up to 300 hours 7) Battery: Li-polymer battery, 130mAh 8) Optional colors: black, white, red Features: 1) Free your hands: small for taking, wireless for freedom 2) Elegance together with lightness: raindrop design consists of technology and fashion 3) Excellent cost performance: superior quality and performance take your time to enjoy Bluetooth life