Fineblue f930 reel silver bluetooth headset main features: - with vibrating warning function, you will not miss important calls - Easy to wear clip with functional clip, carry comfortably to your shirt -Extra long talk/play time, up to 8 hours talk/play time and 180 hours standby time- Pair two phones at the same time, enjoy the convenience of pairing two phones at the same time -Patented retractable cable technology, after finishing your call, pull the cable back at the push of a button (built-in 30 cm cable) - Works with any bluetooth-enabled phone specifications: 1.

High quality csp chip, hd audio.2.

DSP noise reduction.3.

Retractable line.4.

Connect two mobile phones to listen to support music and make a phone call.Features: Bluetooth parameters: Bluetooth version: V4.0 + edr compatiblebluetooth chip: Csrwireless frequency: 2.4ghz-2.48ghastage power: Class 2working voltage: 3.6vworking current:? 25moving distance: 10charging time: 1h-2htalking time: About 4hwaiting time: About 150h''packing list:1 x bluetooth headset1 x english manual1 x charging cable