1. CSRV2.02. Frequency band: 2.40GHz ~ 2.48GHz3. Talk time: up to 8 hours4. Standby time: up to 200 hours5. About 15g with Li-polymer rechargeable battery (USB)

Product Name: Wireless Handsfree (BTF01)Model Number: BTF01Place of Origin: China1. CSRV2.02. Frequency band: 2.40GHz ~ 2.48GHz3. Talk time: up to 8 hours4. Standby time: up to 200 hours5. About 15g w

Product Name: Wireless Handsfree (BTM037)Model Number: BYM037Place of Origin: ChinaFeatures:1) Compliance with Bluetooth version1.0, 1.1, 1.22) Elegant black with new style design, comfortable use3) C

Product Name: Wireless Handsfree (BTM038)Model Number: BTM038Place of Origin: ChinaFeatures:1) Compliance with Bluetooth version 1.0, 1.1, 1.22) Supports headset and handsfree profiles3) LED status in

Product Name: Wireless Handsfree (BTM041)Model Number: BTM041Place of Origin: ChinaFeatures:1) Compliance with Bluetooth version 1.22) Supports headset and handsfree profiles3) Supports RF power class

Product Name: Wireless Handsfree (BTMO42)Model Number: BTM042Place of Origin: ChinaFeatures:1) Compliance with Bluetooth version1.0, 1.1, 1.22) Supports headset and handsfree profiles3) Talk time: up

1.Bluetooth specification: version 1.2/22.Frequency:2.402-2.480MHZ3.Support file: handsfree & headset profile4.RF output power:-6 to +4dBm5.RF sensitivity:>75dBm6.Distance: up to 10 meters7. Indicator

1.Bluetooth specification: version 1.2/22.Frequency:2.402-2.480MHZ3.Support file: handsfree & headset profile4.RF output power:-6 to +4dBm5.RF sensitivity:>75dBm6.Distance: up to 10 meters7. Indicator

1.Bluetooth specification: version 1.2/22.Frequency:2.4GHZ ISBN band (2.402-2.480MHZ)3.Support file: handsfree & headset profile4.RF output power:-6 to +4dBm5.RF sensitivity:>75dBm6.Distance: up to 10