Brand Syllable Model G08S-001 Quantity 1 Color Black Bluetooth Version V4.0 + EDR Ear Coupling Wireless and bluetooth Talk Time 8~12 Hour Standby Time 320 Hour Operating Range 6~10 meter Compatibility Common bluetooth devices Microphone Yes Radio N/A Supports Music Format MP3 Power Supply Built-in battery Built-in Battery Capacity 400mAh (33 x 23.7 x 6.8mm) Compatible With Iphone iPod Blackberry HTC and most other Bluetooth enabled devices Other Features Capable of answering phone Soft PE foam for comfortable wearing and great voice insulation; Built-in CSR bluetooth chip; Range: 10~15m can connect to all devices w/ Bluetooth function; Double noise reducing technology w/ five layer noise reducing structure; Great sound isolating effect; Super bass sound effect; Intelligent music and phone shift function; -45dB microphone; Long life battery; Fashionable wireless foldable and lightweight; With tough plastic durable firm and reliable; Anti-deformation and scratches resistant; With iOS Android IC touch panel great for Iphone Ipad iPod iMac Samsung HTC and Sony etc. BQB Certification No Certification UM38.3 Li-ion battery Packing List 1 x Headphone 1 x USB charging cable (90cm) 1 x UM38.3 400mAh Li-ion battery 1 x 3.5mm connecting cable (90cm) 1 x Carrying bag 1 x Cleaning cloth 1 x Chinese / English user manual