1. Place under the sun will get endless music playtime. 2. Built-in 1200mAh battery , with over 15 hours playback time(60% volume). 3. IPX5 waterproof, dust proof and shock proof. 4. Bluetooth 4.0, dual 4.5W amplifier,Superior Bass Sound 5. With a TF card slot .

1.Patented No.：2015 3019 5405.0 Unique,ergonomic&fashional designed . 2.Water Proof: IPX6 Level 3. With compass ,LED lamp,dusty&shock proof which is suitable for outdoors. 4. Large capacity, ultra long lifespan . Real capacity with A grade top quality cells. 5.High Energy converting rate (90%) ,with no heat during use. 6.Multi -level protection design, more safty. 7.Can be hang with carabiner hook.

Solar bluetooth Speaker for outdoors cyclings 1 Blutooth. CSR BluetoothV4.0+EDR 2 Wireless transmission distance: 10M 3 Audio input: bluetooth,AUX 4 Support audio mode :AAC,MP3,SBC stereo 5 Audio to Noise Ration ≥75dB 6 Distortion degree ≤0.1% 7 Output 4.5W * 2 8 Speaker F40mm, dual magnet 16 cores 4Ω/5W 9 Frequency response 130Hz – 18KHz 10 Working Volt： 3.0 – 4.2V 12 standby current ≤0.5mA 13 Built-in battery :Li-ion 2400mAh 14 Charging input: 5V/1A 15 Solar panel: 5V/200mA