| Bluetooth specification: | V3.0 | 
| Bluetooth version: | The latest version A2DP1. 2 and AVRCP1.0 configuration file support | 
| The wireless receiving: | Support bluetooth headset and hands free mode (HFP) 1.5 | 
| Frequency: | 2.402 to 2.480 GHZ, 2.402 G ISM frequency band | 
| Rf performance: | Sensitivity: - 90 DBM, transmitted power maximum 4 DBM | 
| Power light: | Blue light, red light | 
| Speaker: | 10mm 100 mWatt output | 
| Microphone: | Capacitor type, diameter 3 mm x 1.5mm Height (front load), -45~ -51dB, | 
| The battery | 100 mah lithium rechargeable battery | 
| Charging: | Micro USB | 
| Charging time | About 2-3 hours | 
| Talk time | About 6 hours | 
| standby time | About 200 hours | 
| Working temperature | -10~50 | 
| Storage temperature: | -20~80 | 
Featurer:
Universal compatible with all mobile phones, tablets pc...
1. New bluetooth Version 4.0 Suppot connect two equipments at the same time
2.Water-proof (you can sport in the rain) & noise cancelling
3. Vibration and voice reminding when phone call comes in
4. Receiving earplugs via Magnetic suction automatically
5. Built in apt-X technology reproduces CD quality sound over a Bluetooth connection
6.Neck wearing style provides all day comfortable
7.CSR 4.0 chipset enjoy high quality sound and music
Specification:
1. Bluetooth V4.0, support all devices with bluetooth function
2. Vibrating Call Alert
3. Charging voltage: MICRO USB 5V
4.Bluetooth Working range: 10M 
5.Output power: 2x20mW 
6.Frequency range: 2.401-2.480GHz
7. Distortion factor: ≤1%
8.Frequency response:20Hz-20KHz
9.Working Time: Music state 10 hours/ Talking state 15 hours
10.SNR: S/N≥95 












