Necklace Pendant Bluetooth Headset Features
1. Extreme comfort from adjustable head hand and earplug
2. Embedded microphone for hands-free conversation from Bluetooth-enabled mobile phones
3. Enjoy stereo music wirelessly from Bluetooth A2DP devices.
4. Pause the music & Play back automatically when receives an incoming call
5. Support remote control of play/pause, previous/next track, volume up and volume down.
6. Call transfer between the headset and Bluetooth mobile phone.
7. Automatically connect to the last connected Bluetooth device

Specifications：
Bluetooth version: V4.1
Transmission distance: 10 meters
Battery capacity: 80mAH
Talk time: 7-8 hours
Music time: 5-6 hours
Standby time: 80 hours
Charging time: 1-2 hours
Speaker: 16Ω10mW x 2
Signal to noise ratio: 95dB
Working voltage: 3.7V
Working current: 20mA
Distortion factor : ≤1%
Frequency response : 20Hz-20KHz
SNR : S/N≥95
Devices Supported: mobile phones, Tablet PC, Ipad，laptop，desktop with Bluetooth ，etc